Airsoft Gun
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Airsoft guns are
air guns An air gun or airgun is a gun that uses energy from compressed air or other gases that are mechanically pressurized and then released to propel and accelerate projectiles, similar to the principle of the primitive blowgun. This is in contrast ...
used in
airsoft Airsoft, also known as survival game () in Japan where it was popular, is a team sport, team-based shooting sport, shooting game in which participants eliminate opposing players out of play by shooting them with airsoft pellets, spherical plast ...
sports. They are a special type of low-power
smoothbore A smoothbore weapon is one that has a barrel without rifling. Smoothbores range from handheld firearms to powerful tank guns and large artillery mortars. Some examples of smoothbore weapons are muskets, blunderbusses, and flintlock pistols. ...
gun A gun is a device that Propulsion, propels a projectile using pressure or explosive force. The projectiles are typically solid, but can also be pressurized liquid (e.g. in water guns or water cannon, cannons), or gas (e.g. light-gas gun). So ...
s designed to shoot plastic pellets often colloquially (but incorrectly) referred to as " BBs", which are typically made of (but not limited to)
plastic Plastics are a wide range of synthetic polymers, synthetic or Semisynthesis, semisynthetic materials composed primarily of Polymer, polymers. Their defining characteristic, Plasticity (physics), plasticity, allows them to be Injection moulding ...
or
biodegradable Biodegradation is the breakdown of organic matter by microorganisms, such as bacteria and fungi. It is generally assumed to be a natural process, which differentiates it from composting. Composting is a human-driven process in which biodegrada ...
resin A resin is a solid or highly viscous liquid that can be converted into a polymer. Resins may be biological or synthetic in origin, but are typically harvested from plants. Resins are mixtures of organic compounds, predominantly terpenes. Commo ...
materials. Airsoft gun powerplants are designed to have low
muzzle energy Muzzle energy is the kinetic energy of a bullet as it is expelled from the muzzle (firearm), muzzle of a firearm. Without consideration of factors such as aerodynamics and gravity for the sake of comparison, muzzle energy is used as a rough indi ...
ratings (generally more than 1.1 J, or 1.1 ft⋅lb) and the bullets have significantly less penetrative and
stopping power Stopping power is the supposed ability of a weapon – typically a ranged weapon such as a firearm – to cause a target (human or animal) to be incapacitated or immobilized. Stopping power contrasts with lethality in that it pertains only to a ...
than conventional airguns, and are generally safe for
competitive sport Competition is a rivalry where two or more parties strive for a common goal which cannot be shared: where one's gain is the other's loss (an example of which is a zero-sum game). Competition can arise between entities such as organisms, individ ...
ing and
recreation Recreation is an activity of leisure, leisure being discretionary time. The "need to do something for recreation" is an essential element of human biology and psychology. Recreational activities are often done for happiness, enjoyment, amusement, ...
al purposes if proper
protective gear Personal protective equipment (PPE) is protective clothing, helmets, goggles, or other garments or equipment designed to protect the wearer's body from injury or infection. The hazards addressed by protective equipment include physical, elect ...
is worn. Depending on the design mechanism for bullet propulsion, airsoft guns fall into two groups. One group is mechanical guns, which consist of a
coil spring A tension coil spring A coil spring is a mechanical device that typically is used to store energy and subsequently release it, to absorb shock, or to maintain a force between contacting surfaces. It is made of an elastic material formed into the ...
-loaded
piston A piston is a component of reciprocating engines, reciprocating pumps, gas compressors, hydraulic cylinders and pneumatic cylinders, among other similar mechanisms. It is the moving component that is contained by a cylinder (engine), cylinder a ...
air pump An air pump is a pump for pushing air. Examples include a bicycle pump, pumps that are used to aerate an aquarium or a pond via an airstone; a gas compressor used to power a pneumatic tool, air horn or pipe organ; a bellows used to encoura ...
that is either manually cocked (e.g., spring guns) (these are commonly referred to as springers and are the cheapest and generally of low quality); or automatically cycled by a battery-powered
electric motor An electric motor is a machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a electromagnetic coil, wire winding to gene ...
gearbox A transmission (also called a gearbox) is a mechanical device invented by Louis Renault (who founded Renault) which uses a gear set—two or more gears working together—to change the speed, direction of rotation, or torque multiplication/r ...
(e.g., AEGs). The other group is
pneumatic Pneumatics (from Greek 'wind, breath') is the use of gas or pressurized air in mechanical systems. Pneumatic systems used in Industrial sector, industry are commonly powered by compressed air or compressed inert gases. A centrally located a ...
guns, which operate by valve-controlled release of prefilled
bottled gas Bottled gas is a term used for substances which are gaseous at standard temperature and pressure (STP) and have been compressed and stored in carbon steel, stainless steel, aluminum, or composite containers known as gas cylinders. Gas state ...
such as compressed
propane Propane () is a three-carbon chain alkane with the molecular formula . It is a gas at standard temperature and pressure, but becomes liquid when compressed for transportation and storage. A by-product of natural gas processing and petroleum ref ...
mixed with
silicone oil A silicone oil is any liquid polymerized siloxane with organic side chains. The most important member is polydimethylsiloxane. These polymers are of commercial interest because of their relatively high thermal stability and their lubricating prop ...
(commonly known as "Green Gas") or CO2 canisters (e.g., GBB guns), often mistakenly described as rifles. Airsoft guns are often designed to realistically resemble actual guns, making it difficult to distinguish them despite the orange muzzle tips in some jurisdictions. This has led to police shooting airsoft gun handlers believing these are real firearms and a deadly threat.


Usage

Airsoft in the past was used almost solely for recreational purposes, but in 2012, gas blowback (GBB) airsoft technology became adopted by US federal and state institutions as an affordable and reliable tactical training tool for close quarters battles. In 2018, the
United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and Admiralty law, law enforcement military branch, service branch of the armed forces of the United States. It is one of the country's eight Uniformed services ...
officially adopted SIG-branded P229 airsoft pistol for training. The GBB guns allow for correct weapon manipulation drills,
muscle memory Muscle memory is a form of procedural memory that involves consolidating a specific motor task into memory through repetition, which has been used synonymously with motor learning. When a movement is repeated over time, the brain creates a long- ...
training, stress inoculation and force-on-force simulations for a fraction of the cost of conventional bolt conversion kits that use marking cartridges with wax bullets from training ammunition manufacturers such as UTM and Simunition. Airsoft guns also allow basic and advanced shooter training in a safer environment by reducing the risks of accidental injury or death from a negligent discharge. There are clubs, teams, and even athletic associations devoted to airsoft events around the world. Europe is home to some of the largest events, with skirmishes of over 2,000 people participating. In North America, in 2012 alone, Fulda Gap Airsoft Game in Taylorsville, North Carolina had over 1,100 participants, and Operation Lion Claws Military Simulation Series (OLCMSS) had 800 people attend at
George Air Force Base George Air Force Base was a United States Air Force base located within the city limits, 8 miles northwest, of central Victorville, California, about 75 miles northeast of Los Angeles, California. Established by the United States Army Air C ...
in
Victorville, California Victorville is a city in Victor Valley in San Bernardino County, California. Its population as of the 2020 census was 134,810. Victorville is the principal city of a Victor Valley–based urban area defined by the United States Census Bureau: ...
. American Mil-sim, Black Sheep, and Ballahack also host large games. Events may include a variety of equipment ranging from small arms to armored vehicles. In many countries, every airsoft gun owner and active enthusiast must be affiliated with an accredited airsoft association or federation. Most airsoft players host games at a registered field where combat situations are simulated using airsoft weaponry like replica
pistol A pistol is a type of handgun, characterised by a gun barrel, barrel with an integral chamber (firearms), chamber. The word "pistol" derives from the Middle French ''pistolet'' (), meaning a small gun or knife, and first appeared in the Englis ...
s,
submachine guns A submachine gun (SMG) is a magazine-fed automatic carbine designed to fire handgun cartridges. The term "submachine gun" was coined by John T. Thompson, the inventor of the Thompson submachine gun, to describe its design concept as an automa ...
,
carbine A carbine ( or ) is a long gun that has a barrel shortened from its original length. Most modern carbines are rifles that are compact versions of a longer rifle or are rifles chambered for less powerful cartridges. The smaller size and ligh ...
s/
assault rifle An assault rifle is a select fire rifle that uses an intermediate cartridge, intermediate-rifle cartridge and a Magazine (firearms), detachable magazine.C. Taylor, ''The Fighting Rifle: A Complete Study of the Rifle in Combat'', F.A. Moyer '' ...
s, DMRs/
sniper rifle A sniper rifle is a high-precision, long range shooting, long-range rifle. Requirements include high accuracy, reliability, mobility, concealment, and optics, for anti-personnel weapon, anti-personnel, anti-materiel rifle, anti-materiel and sur ...
s,
light machine gun A light machine gun (LMG) is a light-weight machine gun designed to be operated by a single infantryman, with or without an assistant, as an infantry support weapon. LMGs firing cartridge (firearms), cartridges of the same caliber as the othe ...
s,
grenade A grenade is a small explosive weapon typically thrown by hand (also called hand grenade), but can also refer to a Shell (projectile), shell (explosive projectile) shot from the muzzle of a rifle (as a rifle grenade) or a grenade launcher. A mod ...
s and landmines. Great variety and profusion of
militaria Militaria, also known as military memorabilia, are military equipment which are collected for their historical significance. Such items include firearms, swords, sabres, knives, bayonets, helmets and other equipment such as uniforms, military ...
is usually used.
Historical reenactment Historical reenactment (or re-enactment) is an educational entertainment, educational or entertainment activity in which mainly amateur hobbyists and history enthusiasts dress in historical uniforms and follow a plan to recreate aspects of a histor ...
of famous war situations is another favorite of many airsoft players and clubs. In addition, a number of companies such as Systema Engineering and Celsius Technology manufacture ultra-realistic high-velocity airsoft rifles designed specifically for the police and military for non-lethal training purposes. People today may also use air soft guns as props for film making. Two Tone An Airsoft Two-Tone Gun is an Airsoft replica which has been sprayed over 51% a bright, non military colour, so that it complies with the Violent Crimes Reduction Act (VCRA, 2006), allowing anyone to buy a replica without having to prove that they have a legitimate use for it.


Types


Spring-powered

Spring-powered airsoft guns (or "air-cocking guns" as called by Tokyo Marui) are
single-shot In firearm designs, the term single-shot refers to guns that can hold only a single round of ammunition inside and thus must be reloaded manually after every shot. Compared to multi-shot repeating firearms ("repeaters"), single-shot designs have ...
devices that use the
elastic potential energy Elastic energy is the mechanical potential energy stored in the configuration of a material or physical system as it is subjected to elastic deformation by work performed upon it. Elastic energy occurs when objects are impermanently compressed, s ...
stored within a compressed
coil spring A tension coil spring A coil spring is a mechanical device that typically is used to store energy and subsequently release it, to absorb shock, or to maintain a force between contacting surfaces. It is made of an elastic material formed into the ...
to drive a piston air pump, which is released upon trigger-pull and rapidly pressurizes the air within the pump cylinder to in turn "blow" pellets down the
gun barrel A gun barrel is a crucial part of gun-type weapons such as small arms, small firearms, artillery pieces, and air guns. It is the straight shooting tube, usually made of rigid high-strength metal, through which a contained rapid expansion of high ...
. These guns are almost identical (though simplified and underpowered) in design to spring-piston air guns and have the same operating principles. The user must manually recompress the spring under stress prior to each shot, typically by pulling back the
slide Slide or Slides may refer to: Places * Slide, California, former name of Fortuna, California Arts, entertainment, and media Music Albums * ''Slide'' (Lisa Germano album), 1998 * ''Slide'' (George Clanton album), 2018 *''Slide'', by Patrick Glee ...
(pistols), bolt handle (rifles) or forend pump (shotguns) on the weapon, which cocks and readies the gun. Because of this, spring guns are incapable of
automatic Automatic may refer to: Music Bands * Automatic (Australian band), Australian rock band * Automatic (American band), American rock band * The Automatic, a Welsh alternative rock band Albums * ''Automatic'' (Jack Bruce album), a 1983 el ...
or semi-automatic firing by design. Spring-powered airsoft guns are generally not as powerful as gas-powered ones, but are more powerful than electric airsoft guns because stiffer springs can often be used without the worry of overloading any motor-gearbox, although some spring
shotgun A shotgun (also known as a scattergun, peppergun, or historically as a fowling piece) is a long gun, long-barreled firearm designed to shoot a straight-walled cartridge (firearms), cartridge known as a shotshell, which discharges numerous small ...
s and
bolt-action rifle Bolt action is a type of manual firearm action that is operated by ''directly'' manipulating the turn-bolt via a bolt handle, most commonly placed on the right-hand side of the firearm (as most users are right-handed). The majority of b ...
s can be very powerful with muzzle velocities up to . Spring guns are generally inexpensive (except the high-power sniper rifles and shotguns), and may not last long (depending on the build quality) due to the tension exerted on the gun parts by the recoiling of a powerful spring. However, many spring guns can be modified and upgraded to last longer and shoot more powerfully. Low-end spring guns tend to be much cheaper than their electric equivalents due to their lack of electrical components (
electric motor An electric motor is a machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a electromagnetic coil, wire winding to gene ...
/
actuator An actuator is a machine element, component of a machine that produces force, torque, or Displacement (geometry), displacement, when an electrical, Pneumatics, pneumatic or Hydraulic fluid, hydraulic input is supplied to it in a system (called an ...
, spring-
gearbox A transmission (also called a gearbox) is a mechanical device invented by Louis Renault (who founded Renault) which uses a gear set—two or more gears working together—to change the speed, direction of rotation, or torque multiplication/r ...
assembly, battery and battery charger). These guns are less common in competitions because their rate-of-fire is a disadvantage against automatic guns in close combat, and they do not provide enough accuracy and power for long-range use. There are some exceptions, however, as higher-end spring-powered airsoft rifles can be quite expensive; these guns are typically suited for "marksman" applications in airsoft matches and provide competitive muzzle velocities. Additionally, pump shotguns are sometimes used for both short and long range engagements. In colder weather, spring pistols are more reliable than gas-powered pistols and even the batteries on automatic electric pistols (AEPs) both of which can be adversely affected by extremely low temperatures. This represents one of the major advantages of spring airsoft gun, as it can be fired in practically any situation without relying on batteries or
bottled gas Bottled gas is a term used for substances which are gaseous at standard temperature and pressure (STP) and have been compressed and stored in carbon steel, stainless steel, aluminum, or composite containers known as gas cylinders. Gas state ...
. This independence from external power sources causes some players to favor spring-powered guns. Spring guns are also less susceptible to the effects of water, where a battery-powered gun could
short-circuit A short circuit (sometimes abbreviated to short or s/c) is an electrical circuit that allows a current to travel along an unintended path with no or very low electrical impedance. This results in an excessive current flowing through the circuit ...
and malfunction when wet. Because of their low price, availability, and simplicity, spring guns tend to act as training guns for new players. In the UK, they are affectionately known as "springers" and were often a player's introduction to the sport due to the entry-level cost in comparison to AEG and GBB weapons. Some veteran airsoft players still rely on
sniper rifle A sniper rifle is a high-precision, long range shooting, long-range rifle. Requirements include high accuracy, reliability, mobility, concealment, and optics, for anti-personnel weapon, anti-personnel, anti-materiel rifle, anti-materiel and sur ...
and
shotgun A shotgun (also known as a scattergun, peppergun, or historically as a fowling piece) is a long gun, long-barreled firearm designed to shoot a straight-walled cartridge (firearms), cartridge known as a shotshell, which discharges numerous small ...
-type spring guns as a primary weapon due to reliability, high power, accuracy, low noise, and ease of repair compared to AEGs and GBB guns.


Battery-powered


Automatic electric guns (AEGs)

Electrically powered airsoft guns use a spring-loaded piston pump just like spring guns, but instead of manual operation they typically use portable rechargeable
battery pack A battery pack is a set of any number of (preferably) identical Battery (electricity), batteries or individual battery cells. They may be configured in a series, parallel or a mixture of both to deliver the desired voltage and current. The term ' ...
s to power an internal
electric motor An electric motor is a machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a electromagnetic coil, wire winding to gene ...
, which powers a
gearbox A transmission (also called a gearbox) is a mechanical device invented by Louis Renault (who founded Renault) which uses a gear set—two or more gears working together—to change the speed, direction of rotation, or torque multiplication/r ...
, which in turn compresses the pump spring, propels the pellets via the compression of air, and loads the next pellet in cyclic fashion.
Selective fire Selective may refer to: * Selective school, a school that admits students on the basis of some sort of selection criteria ** Selective school (New South Wales) See also * Selective breeding Selective breeding (also called artificial select ...
options among
automatic Automatic may refer to: Music Bands * Automatic (Australian band), Australian rock band * Automatic (American band), American rock band * The Automatic, a Welsh alternative rock band Albums * ''Automatic'' (Jack Bruce album), a 1983 el ...
, 3-round
burst Burst may refer to: *Burst mode (disambiguation), a mode of operation where events occur in rapid succession **Burst transmission, a term in telecommunications **Burst switching, a feature of some packet-switched networks **Bursting, a signaling mo ...
and semi-automatic operations are all possible, which gives these guns the popular name "automatic electric guns", or AEGs. They are the most commonly used and widely available type of airsoft gun. AEGs were developed in
Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
and the Japanese company Tokyo Marui is credited with creating the original gearbox system. In a Tokyo Marui AEG, the motor drives a
train A train (from Old French , from Latin">-4; we might wonder whether there's a point at which it's appropriate to talk of the beginnings of French, that is, when it wa ... , from Latin , "to pull, to draw") is a series of connected vehicles th ...
of three
gears A gear or gearwheel is a rotating machine element, machine part typically used to transmit rotation, rotational motion and/or torque by means of a series of teeth that engage with compatible teeth of another gear or other part. The teeth can ...
mounted inside a gearbox, which then loads a pump piston against a spring. Once the spring is released, it pushes the piston plunger forward through the pump cylinder to propel a pellet resting within the chamber forward through the barrel and out of the muzzle. Many manufacturers have now more or less replicated this basic model, adding reinforced parts or minor improvements. The electric airsoft guns were powered primarily by nickel-metal hydride (NiMH) batteries with varying
voltage Voltage, also known as (electrical) potential difference, electric pressure, or electric tension, is the difference in electric potential between two points. In a Electrostatics, static electric field, it corresponds to the Work (electrical), ...
s and
milliampere-hour An ampere-hour or amp-hour (symbol: A⋅h or A h; often simplified as Ah) is a unit of electric charge, having dimensions of electric current multiplied by time, equal to the charge transferred by a steady current of one ampere flowing for o ...
ratings. The most common battery is an 8.4 V large
battery pack A battery pack is a set of any number of (preferably) identical Battery (electricity), batteries or individual battery cells. They may be configured in a series, parallel or a mixture of both to deliver the desired voltage and current. The term ' ...
, with a capacity between 2200 and 5000 mAh. Also available are "mini" and "stick" batteries, which generally have 900 ~ 1600 mAh capacities. Voltages for NiMH batteries range from 7.2 V to 12 V. The usual rule of thumb is that the higher the mAh rating, the longer the battery lasts; the higher the voltage, the higher the rate of fire. Recently, however, the more energy-dense lithium polymer (Li-Po) batteries are becoming more popular in the airsoft world, since they last longer, have higher mAh and voltages, and can be charged more frequently without concerns for voltage depression, while at the same time being small and lightweight. The most common AEGs are the AR-15 series (such as
M16 rifle The M16 (officially Rifle, Caliber 5.56 mm, M16) is a family of assault rifles adapted from the ArmaLite AR-15 rifle for the United States Armed Forces, United States military. The original M16 was a 5.56×45mm NATO, 5.56×45mm automatic ...
and
M4 carbine The M4 carbine (officially Carbine, Caliber 5.56 mm, M4) is a 5.56×45mm NATO assault rifle developed in the United States during the 1980s. It is a shortened version of the M16A2 assault rifle. The M4 is extensively used by the US mi ...
, sometimes referred to as the
ArmaLite ArmaLite, or Armalite, is an American small arms engineering company, formed in the early 1950s in Hollywood, California. Many of its products, as conceived by chief designer Eugene Stoner, relied on unique foam-filled fiberglass butt/stock fur ...
or Colt series), the H&K MP5 series, and the AK or Kalashnikov series. Also increasingly popular is the H&K G36 and, more recently, the
FN P90 The FN P90 is a personal defense weapon chambered for the 5.7×28mm cartridge, also classified as a submachine gun, designed and manufactured by FN Herstal in Belgium. Created in response to NATO requests for a replacement for 9×19mm Parabe ...
and H&K MP7. Subsequently, numerous parts for repairs and modifications are commonly available for these rifles.


Low-powered electric guns (LPEGs)

Some airsoft guns are called ''low-powered electric guns'' (LPEGs) to distinguish them from the original, more expensive and more powerful AEGs even though their mechanical/electrical design and operation is similar.


Medium-power electric guns (MPEGs)

MPEGs are the middle ground between LPEGs and AEGs. Some companies, like UTG with their popular MP5 and
AK-47 The AK-47, officially known as the Avtomat Kalashnikova (; also known as the Kalashnikov or just AK), is an assault rifle that is chambered for the 7.62×39mm cartridge. Developed in the Soviet Union by Russian small-arms designer Mikhail Kala ...
models, have improved their quality to such an extent that some models are now considered more affordable AEGs.


Electric blowbacks

Electric blowbacks, also known as EBBs, are typically available at lower prices than their battery-powered counterparts. They generally run on AAA or AA batteries. Most models utilizing this system are rifles. EBBs simulate the blowback action of a real pistol or rifle. Essentially an AEG in design, EBBs are just as powerful. However, a drawback to having the realistic recoil feature is the tendency of the battery to quickly deplete. Additionally, blowbacks can cause extra stress on the gear box which may result in a shorter life span.


Automatic electric pistols

Automatic electric pistols, abbreviated AEPs, were first introduced by Tokyo Marui in 2005 with their Glock 18C (followed later by a Beretta 93R model). They were the first handguns to incorporate an electrically powered system that is capable of fully automatic operation. In cold weather, AEPs are often considered better sidearms than gas powered pistols, because batteries are not as badly affected by frigid weather. Gases like CO2 and green gas are stored in liquid form and require heat in order to vaporize. A gas pistol at will usually only get one to two usable shots from a full magazine, and even will be at reduced power because of the lowered pressure of the gas. Because the AEP gearbox and battery are smaller, the velocity of AEP BBs (usually between 200 and ) is relatively slow by the standards of airsoft simulations, rendering them useful only for close-range simulation. However, the advanced hop up units on these new guns tend to compensate for the low power and can produce an effective range comparable to those of an AEG. CYMA has made a clone Glock 18C, which is a lower priced alternative. An AEP differs from electric blow-backs because the AEP has a fixed slide (in which there is no external movement of the slide during operation), while an EBB simulates the "blow back" action in the slide experienced in a real pistol or Gas Blow Back (GBB). An AEP, however, has much more power and accuracy. One of the newer AEP-styled guns is the Marui replica of the Heckler & Koch MP7. It is considerably larger than either of the other guns, and can be upgraded to a much higher power through the use of an external battery, but uses the same system as the AEP, so the classification is ambiguous. It is slightly more powerful than the others and is a suitable choice for CQB (Close Quarter Battle) games due to its small size and decent barrel- to gun-length ratio. Some
semi-automatic pistol A semi-automatic pistol (also called a self-loading pistol, autopistol, or autoloading pistol) is a repeating firearm, repeating handgun that automatically ejects and loads cartridge (firearms), cartridges in its chamber (firearms), chamber afte ...
s can be modified to be automatic pistols. To make them more effective, they use rechargeable batteries supplied with the gun, and can be replaced with a larger battery to make their ROF higher. Due to restrictions on size, either the electric motor or batteries have to occupy space in the hand grip, reducing the available space for a magazine. Because of this, most AEPs do not use a full size magazine found in most gas powered pistols. They are typically constructed almost entirely of plastic and have a light, toy-like feeling to them.


Gas-powered


Gas blowback

Gas-powered airsoft guns use the
pneumatic Pneumatics (from Greek 'wind, breath') is the use of gas or pressurized air in mechanical systems. Pneumatic systems used in Industrial sector, industry are commonly powered by compressed air or compressed inert gases. A centrally located a ...
potential energy In physics, potential energy is the energy of an object or system due to the body's position relative to other objects, or the configuration of its particles. The energy is equal to the work done against any restoring forces, such as gravity ...
stored within
compressed gas Bottled gas is a term used for substances which are gaseous at standard temperature and pressure (STP) and have been compressed and stored in carbon steel, stainless steel, aluminum, or composite containers known as gas cylinders. Gas sta ...
to drive the shooting mechanism, and thus operate according to an entirely different design principle to spring- or electrically powered airsoft guns. The most common type seen is the gas blowback (GBB) guns. These gas guns use an internal canister (usually within the
magazine A magazine is a periodical literature, periodical publication, print or digital, produced on a regular schedule, that contains any of a variety of subject-oriented textual and visual content (media), content forms. Magazines are generally fin ...
) that upon trigger-pull releases the prefilled
bottled gas Bottled gas is a term used for substances which are gaseous at standard temperature and pressure (STP) and have been compressed and stored in carbon steel, stainless steel, aluminum, or composite containers known as gas cylinders. Gas state ...
via a series of valves to propel the pellet and generate a blowback, which simulates
recoil Recoil (often called knockback, kickback or simply kick) is the rearward thrust generated when a gun is being discharged. In technical terms, the recoil is a result of conservation of momentum, for according to Newton's third law the force requ ...
and cyclically loads the next shot. They are capable of both automatic and semi-automatic operation. The most common gases used are " green gas" and
propane Propane () is a three-carbon chain alkane with the molecular formula . It is a gas at standard temperature and pressure, but becomes liquid when compressed for transportation and storage. A by-product of natural gas processing and petroleum ref ...
which requires an adaptor. HFC-134a is also commonly used, particularly with pistols which have plastic sliders due to the lower pressure giving a smaller chance of damage to the weaker slide. Less commonly used gases include "red gas" (which is actually HCFC-22), CO2 and
nitrogen Nitrogen is a chemical element; it has Symbol (chemistry), symbol N and atomic number 7. Nitrogen is a Nonmetal (chemistry), nonmetal and the lightest member of pnictogen, group 15 of the periodic table, often called the Pnictogen, pnictogens. ...
/high-pressure air. However, it is unlawful to use HCFC-22 as a propellant in the US, as it is a Class II ozone-depleting substance and its use as an aerosol propellant has been banned since January 1994 under section 610(d) of Clean Air Act. Red gas is usually avoided unless the airsoft gun has undergone modification, as its relatively high critical pressure can cause damage to the airsoft gun, such as breakage of the slide or bolt. CO2, nitrogen, and high pressure air are less common because they need to be stored at higher pressures than "green gas" or HFC-134a. The first ever gas powered airsoft guns were commonly referred to as "classic" guns, owing to their age. These guns were most commonly powered by liquid propellants such as R-12 (which was marketed by the Japanese as FLON-12 or
DuPont Dupont, DuPont, Du Pont, duPont, or du Pont may refer to: People * Dupont (surname) Dupont, also spelled as DuPont, duPont, Du Pont, or du Pont is a French surname meaning "of the bridge", historically indicating that the holder of the surname re ...
tradename Freon 12) CFC feeding system with a majority of the configurations containing two tanks, one containing the R-12 and one used as an expansion tank, and the gun itself. R-12 was a commonly used refrigerant for car air conditioning and refrigerators, and is considered a highly potent ozone-depleting substance and listed as a Class I Ozone Depleting Substance by the US EPA. Its use as a general purpose aerosol propellant has been banned by the US EPA since March 1978 under 43 FR 11301 for use in aerosol use with a very few exceptions. Its use is also banned in many countries under United Nations treaties. On December 31, 2008, the use of CFCs for medical inhalers was banned. Later users modified these old guns to be powered by regulated CO2 canisters or nitrogen/high pressure air bottles to increase power and consistency. However, these guns have largely been superseded by the newer and more versatile AEGs, or automatic electric guns. One of the reasons for this is because the most commonly available propellant, R-12, is costly. Additionally, at high flow rates, liquid propellants tend to cool down, eventually freezing. As cooldown progresses, the rate of fire gradually decreases until the gun ceases operation. The user would then be forced to wait for the propellant to warm up again. CO2 is not affected as badly by this tendency, and nitrogen/high pressure air is immune to it. Furthermore, if liquid propellant is introduced into the gun's mechanism, rubber parts can freeze and eventually damage the gun. However, it is unlikely for this to occur since once the gas is released from the containing cylinder it instantly turns back into its gaseous state, and expands rapidly. It is doubtful whether the retained pressure behind the BB before it begins to accelerate down the barrel is enough to keep the gas in a liquid form. Also, any gun that is expected to be exposed to the intense cold of de-pressurizing gas should have materials that can handle it. Gas power tends to be used in airsoft pistols where size constraints make electric-powered mechanisms impractical. Other instances where gas is favored are where adjustable velocities are required or where a blowback feature is desired. A blowback feature is a mechanism which cycles a slide or bolt to better simulate a real firearm's operation. Because of the mechanical complexities involved with distributing and regulating gas, these guns have largely given way to electric guns for less specialized applications, however, they still remain favorable amongst most airsofters. They are not just limited to pistols; submachine guns, sniper rifles and assault rifles commonly use gas mechanisms. Whilst the submachine gun replicas typically feature a blowback mechanism similar to the pistol replicas, sniper rifle replicas usually omit the blowback mechanism in favor of reduced
recoil Recoil (often called knockback, kickback or simply kick) is the rearward thrust generated when a gun is being discharged. In technical terms, the recoil is a result of conservation of momentum, for according to Newton's third law the force requ ...
and increased muzzle velocity. Along with using gas to power guns, it is also applied for use in replica grenades. These grenades are either projectiles, fired from a grenade launcher such as the M203 or
GP-25 The GP-25 ''Kostyor'' ("Bonfire"), GP-30 ''Obuvka'' ("Shoe") and GP-34 are a family of Russian 40 mm under-barrel muzzleloaded grenade launchers for the AK family of assault rifles. The acronym GP stands for ''Granatomyot Podstvolnyj'', " ...
, or throwable. The shells work on the system of an internal piston, filled with gas. Either a series of BB's or in some cases a rubber or soft foam head is seated in or on top of the shell. When the pressure is released the projectile(s) are shot from the launcher sent downrange. In the case of the throwable grenades, inside the grenade there is a similar piston to the one used in the shells, but is on a literal "timer" that allows the user to clear the area of effect. BBs or powder acts as the projectile in the case of these grenades. Currently both types of grenades are not very common, mostly because grenade launchers are quite expensive and the throwable grenades are not very reliable.


High pressure air systems

High pressure air (HPA) systems are a type of pneumatic airsoft weapon that use externally supplied high pressure air instead of internal gas canisters like the majority of gas-operated airsoft guns. They work by using a separate high-pressure air tank that is connected to the airsoft gun with a hose, which is connected with a
pneumatic motor A pneumatic motor (air motor), or compressed-air engine, is a type of motor which does mechanical work by expanding compressed air. Pneumatic motors generally convert the compressed-air energy to mechanical work through either linear or rotary ...
inside the gun (called an "engine") at where the gearbox would be in a normal electric airsoft gun. The engine is powered by a fire control unit that can adjust to the desired rates of fire as well as the dwell that determines how much air is released with each individual shot. Hybrid airsoft guns are very latest feauture

Hybrid guns


Hybrid airsoft guns
are the newest type of airsoft guns on the market. They are basically standard AEGs or GBB guns with a "little extra reality" built in, and are usually more powerful. * AEG hybrid operation: The magazine is loaded with shell cases, each containing a single plastic pellet. These shell casings can have a small red cap, the same as those found in any child's toy cap gun placed on the top of them. These hybrid guns feature an electrically powered, full blowback system and operate on a "round-per-shell" basis such that for every pellet fired, a shell casing is ejected and the cap is fired providing a realistic sound and smoke effect. Since its debut, the only hybrid guns seen on the market are TOP M4A1, as well as
M1 Garand The M1 Garand or M1 rifleOfficially designated as U.S. rifle, caliber .30, M1, later simply called Rifle, Caliber .30, M1, also called US Rifle, Cal. .30, M1 is a semi-automatic rifle that was the service rifle of the United States Army, U.S. ...
, Kar98, and other rifle models. These guns are the least common type of gun on the market today and are generally used by collectors and re-enactors rather than skirmishers. * Gas blowback hybrid operation: Hybrid gas blowback airsoft guns are quite similar with hybrid AEGs and their operations are similar with ordinary gas blowback airsoft guns. A single 6 mm pellet is still loaded to a shell casing. Then it is placed into a magazine. The airsoft replica itself also has a tank for compressed gas as propellant (such as green gas). So as the
slide Slide or Slides may refer to: Places * Slide, California, former name of Fortuna, California Arts, entertainment, and media Music Albums * ''Slide'' (Lisa Germano album), 1998 * ''Slide'' (George Clanton album), 2018 *''Slide'', by Patrick Glee ...
/ bolt is pulled back, it loads a shell into the chamber. As the trigger is pulled, it releases a small burst of propellant and the pellet is forced out the barrel.


Training weapons

Airsoft gun manufacturer Systema Engineering (PTW) developed a line of airsoft guns and accessories intended for military and law enforcement training. These airsoft guns are made of aircraft-grade
aluminium Aluminium (or aluminum in North American English) is a chemical element; it has chemical symbol, symbol Al and atomic number 13. It has a density lower than that of other common metals, about one-third that of steel. Aluminium has ...
combined with
stainless steel Stainless steel, also known as inox, corrosion-resistant steel (CRES), or rustless steel, is an iron-based alloy that contains chromium, making it resistant to rust and corrosion. Stainless steel's resistance to corrosion comes from its chromi ...
parts that gives strength, stability, weather protection, and easy maintenance. These training weapons offer a more realistic display of military weapons. Unfortunately they have been plagued by reliability problems and parts availability. They have also had models banned from the US for being capable of being converted into real firearms. Two manufactures, King Arms and KWA, came out with ATF-approved gas blowback AR-15 replicas that allowed for correct weapons tear down, manipulation and function that were designed for military use, but were also legal for US citizens to own. The King Arms model required upgrade parts out of the parts to give it reliability, though the KWA was plagued by a weak hop-up system, but otherwise reliable. On November 5, 2018, the
United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and Admiralty law, law enforcement military branch, service branch of the armed forces of the United States. It is one of the country's eight Uniformed services ...
, which has long used the .40 caliber SIG P229 as its duty sidearm, announced that it will acquire the SIG ProForce P229 CO2 airsoft pistol (which was then produced under
brand licensing Brand licensing means renting or leasing of an intangible asset. It is a process of creating and managing contracts between the owner of a brand and a company or individual who wants to use the brand in association with a product, for an agreed ...
by French airsoft manufacturer CyberGun, before SIG later ceased external licensing and took over the production in early 2019) as its new training pistol to give cadets and guardsmen the ability to practice gun handling, conduct target practice in various environments, and train in realistic force-on-force scenarios.


Performance

Airsoft guns shoot plastic pellets at velocities from for a low-end spring pistol, to for heavily upgraded customized sniper rifles. Most non-upgraded AEGs are in the middle, producing velocities from to . The internal components of most guns can be upgraded which can increase the pellet velocity significantly. Using heavier pellets (.25 g, .3 g, etc.) will significantly reduce the gun's muzzle velocity, but can increase accuracy at range and reduce susceptibility to wind drift. Lighter pellets have less kinetic energy than their heavier pellets, despite their higher exit velocity. Decreasing the pellet's weight does not generally increase its range. A common upgrade done by players is in the " hop-up" system, featured in most mid- to high-end AEGs, as well as gas guns and spring sniper rifles. In this system, the wall of a rubber tube, called a bucking, is forced into the upper path of the pellet right before it begins flying down the inner barrel. This contact imparts
backspin In sports, backspin or underspin refers to the reverse rotation of a ball, in relation to the ball's trajectory, that is imparted on the ball by a slice or chop shot. Backspin generates an upward force that lifts the ball (see Magnus effect). W ...
, which in turn gives the pellet a
Magnus Magnus, meaning "Great" in Latin, was used as cognomen of Gnaeus Pompeius Magnus in the first century BC. The best-known use of the name during the Roman Empire is for the fourth-century Western Roman Emperor Magnus Maximus. The name gained wid ...
lift Lift or LIFT may refer to: Physical devices * Elevator, or lift, a device used for raising and lowering people or goods ** Paternoster lift, a type of lift using a continuous chain of cars which do not stop ** Patient lift, or Hoyer lift, mobile ...
to maintain a flatter trajectory for a longer period of time. This is adjusted by screws or gears that cause the bucking to only show a small or large presence in the barrel. Different degrees of firmness of the rubber are considered when a hop-up is being upgraded.


Safety

Airsoft is safe when played with proper protective gear. Most airsoft guns on the market are usually below , but projectiles expelled from any type of airsoft gun can travel as slow as to more than and are capable of breaking skin at . For example, skirmish play in the United Kingdom has a maximum of 350 ft/s, with some airsoft locations having a limit as low as 290 ft/s. If under , the hit would have to be within a short range. Blood can be drawn, but injuries that do occur are predominantly superficial. Full-seal protective eyewear (goggles or glasses) is widely considered the minimum protection for airsoft players, as the eyes may be injured by any type of impact. The least amount of protection a player should seek will meet or exceed ANSI/ISEA Z87.1 standards, which indicates the eyewear is rated for ballistic strikes. Mesh eyewear has also seen some limited use by players due to low cost and its inability to fog, although it has drawn some criticism for its non-impact rated construction and vulnerability to debris. Some impacts (particularly at close range with powerful guns) are capable of cracking or damaging teeth. Dentists have reported broken teeth that require root canal and crowns to repair damage. A face mask (like that used for paintball) is recommended to protect eyes and teeth. Metallic mesh masks and mouth guards have recently seen popular use. There are legal issues in airsoft as well as several rules imposed in a game by game basis. Most indoor airsoft fields only allow up to , and most outdoor fields begin capping near the 410 ft/s (125 m/s) for rifles and 525 ft/s (160 m/s) for long-range guns such as sniper rifles. Most outdoor fields also impose a minimum engagement distance for guns firing over a certain range, normally for squad support weapons and sniper rifles. In order for an airsoft gun to cause any serious injury, it would have to be well over these limits and in close proximity. To even reach such speeds, the gun would have to be highly modified. So it is therefore unlikely to cause permanent or serious damage with any stock airsoft gun. The use of metallic BBs, or any foreign objects, is very dangerous for the user and other people and property in close vicinity, and may damage the airsoft gun as well. However, specially designed and built metallic 6 mm BBs for airsoft guns can be found on the market. These metallic BBs should not be used for airsoft play because they can break through goggles and other safety gear. Plastic BBs can be a mixture of PLA and Plastic causing less damage to persons. Although airsoft guns in the United States are generally sold with a 6 mm (0.24in.) or longer orange tip on the barrel in order to distinguish them from real firearms, this is not in fact required by federal law. There is some controversy on this topic as
Title 15 of the Code of Federal Regulations Title 15 is the portion of the Code of Federal Regulations that governs Commerce and Foreign Trade within the United States. It is available in digital or printed form. Title 15 comprises three volumes, and is divided into four Subtitles: * Subti ...
, on foreign commerce and trade, stipulates that "no person shall manufacture, enter into commerce, ship, transport, or receive any toy, look-alike, or imitation firearm" without approved markings; these may include an orange tip, orange barrel plug, brightly colored exterior of the whole toy, or transparent construction (part 272.2, formerly part 1150.2). However, section 272.1 (formerly 1150.1) clearly indicates that these restrictions shall not apply to "traditional b-b, paint-ball, or pellet-firing air guns that expel a projectile through the force of compressed air, compressed gas or mechanical spring action, or any combination thereof." Local laws may differ by jurisdiction. Full or partial preventive painting of airsoft guns as a legal obligation to avoid confusion of the airsoft replicas with real lethal weapons is in practice in several jurisdictions around the world. A common controversy referred to as "pumping" or "roping" is the act of purposely firing 20+ airsoft rounds at one player until they run away or submit in pain. Popular videos such as ''Rip Kid'' and ''SC Trip 2015'' have both documented the act of pumping. Many are concerned over the safety of the player(s) on the other end, as well as their probability of returning to the hobby. Several Airsoft arenas and fields across the US have implemented strict "Semi Auto Fire Only" rules, as well as other rules aimed at deterring players who intentionally harm other players.


Police and security shootings

A ''
CBS News CBS News is the news division of the American television and radio broadcaster CBS. It is headquartered in New York City. CBS News television programs include ''CBS Evening News'', ''CBS Mornings'', news magazine programs ''CBS News Sunday Morn ...
'' report noted that since from 2014 to 2024, more than 300 people had been shot and killed by police while holding realistic replica guns, of which 19 were minors. *On January 13, 2006, Christopher Penley, a 15-year-old student with an airsoft gun painted entirely black, was killed by a SWAT team member at Milwee Middle School in
Longwood, Florida Longwood is a city in Seminole County, Florida, United States. It is part of the Orlando–Kissimmee–Sanford, Florida Metropolitan Statistical Area. The population was 15,087 at the 2020 census. History With the advent of World War II, grow ...
. *On October 22, 2013, in
Santa Rosa, California Santa Rosa (Spanish language, Spanish for "Rose of Lima, Saint Rose") is a city in and the county seat of Sonoma County, California, Sonoma County, in the North Bay (San Francisco Bay Area), North Bay region of the San Francisco Bay Area, Bay A ...
, 13-year-old Andy Lopez was shot by a Sonoma County sheriff's deputy Erick Gelhaus. Lopez was walking with other children and carrying an airsoft gun that was designed to resemble an AK-47 assault rifle. Gelhaus opened fire, killing Lopez with seven bullets. *On August 5, 2014, John Crawford, while handling a BB gun in a Walmart store near
Dayton, Ohio Dayton () is a city in Montgomery County, Ohio, United States, and its county seat. It is the List of cities in Ohio, sixth-most populous city in Ohio, with a population of 137,644 at the 2020 United States census, 2020 census. The Dayton metro ...
, was shot to death by Beavercreek Police. *On November 22, 2014, in
Cleveland Cleveland is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located along the southern shore of Lake Erie, it is situated across the Canada–U.S. maritime border and approximately west of the Ohio-Pennsylvania st ...
, Ohio, Tamir Rice, a 12-year-old boy with an airsoft gun, was shot and killed by police. After a 911 caller reported a juvenile male with a "probably fake" gun on a playground, police arrived on the scene, but had not been told by the dispatcher that the gun may have been fake. Police reported that they asked the boy to show his hands, but he reached for his waistband instead. The police fatally shot him within two seconds of arriving on the scene. Police later said that the orange tip indicating the gun was a toy had been removed. *On November 25, 2014, police in
Vancouver, Washington Vancouver ( ) is a city on the north bank of the Columbia River in the U.S. state of Washington (state), Washington, located in Clark County, Washington, Clark County. Founded in 1825 and incorporated in 1857, Vancouver had a population of 190, ...
reported to the scene of a domestic dispute to find 31-year-old Sebastian T. Lewandowski with an airsoft replica of an AR-15. When he refused to put down what appeared to be an AR-15, the officers fired at Lewandowski. He died at the scene. *On August 30th, 2018, 49-year-old actress Vanessa Marquez was fatally injured, after threatening police officers with an airsoft gun. During a wellness check, conducted at her apartment, she first refused to accompany the officers to hospital, despite her poor health and then threatened them with a gun, that turned out to be a replica later on. She was shot several times and died on her way to hospital. *On January 15, 2019, police in
Tempe, Arizona Tempe ( ; ''Oidbaḍ'' in O'odham language, O'odham) is a city in Maricopa County, Arizona, United States, with the Census Bureau reporting a 2020 population of 180,587. The city is named after the Vale of Tempe in Greece. Tempe is located in t ...
shot and killed a 14-year-old boy, Antonio Arce, who was carrying a replica 1911 airsoft gun. The officer's body camera picked up the officer, after the shooting, saying, "Fuck man, he's just a fucking kid. It's a fucking toy gun," *On April 13, 2021, Maryland State Police, responding to 911 calls of a suspicious gunman, fatally shot a 16-year-old boy, Peyton Ham, in
Leonardtown, Maryland Leonardtown is a town in and the county seat of St. Mary's County, Maryland, St. Mary's County, Maryland, United States. The population was 4,563 at the 2020 United States census, 2020 census. Historic Leonardtown includes both a Leonardtown Hig ...
, after he pointed an airsoft gun at a state trooper. *On December 15, 2021, San Pablo police shot and killed a man who was carrying an airsoft gun they thought was a real gun. *On June 5, 2024, an off-duty security guard fatally shot a 17-year-old boy in
Renton, Washington Renton is a city in King County, Washington, United States, and an inner-ring suburb of Seattle. Situated southeast of downtown Seattle, Renton straddles the southeast shore of Lake Washington, at the mouth of the Cedar River. As of the 202 ...
who was trying to exchange an airsoft gun at a sporting goods store. *On June 28, 2024, police in
Utica, New York Utica () is the county seat of Oneida County, New York, United States. The tenth-most populous city in New York, its population was 65,283 in the 2020 census. It is located on the Mohawk River in the Mohawk Valley at the foot of the Adiro ...
shot and killed a 13-year-old
Southeast Asia Southeast Asia is the geographical United Nations geoscheme for Asia#South-eastern Asia, southeastern region of Asia, consisting of the regions that are situated south of China, east of the Indian subcontinent, and northwest of the Mainland Au ...
n refugee named Nyah Mway, who was holding a replica Glock.


Trademark problems

Some airsoft guns can be such accurate replicas that they violate
intellectual property Intellectual property (IP) is a category of property that includes intangible creations of the human intellect. There are many types of intellectual property, and some countries recognize more than others. The best-known types are patents, co ...
laws (specifically those regarding
trademark A trademark (also written trade mark or trade-mark) is a form of intellectual property that consists of a word, phrase, symbol, design, or a combination that identifies a Good (economics and accounting), product or Service (economics), service f ...
s), most notably some models from Tokyo Marui bearing Colt or
Heckler & Koch Heckler & Koch GmbH (HK or H&K; ) is a German firearms manufacturer that produces handguns, rifles, submachine guns, and grenade launchers. The company is located in Oberndorf am Neckar, Baden-Württemberg and also has subsidiaries in the United ...
trademarks that may not be imported into the United States. Certain companies such as Classic Army or ICS avoid this problem by licensing their replicas from the original manufacturers such as
ArmaLite ArmaLite, or Armalite, is an American small arms engineering company, formed in the early 1950s in Hollywood, California. Many of its products, as conceived by chief designer Eugene Stoner, relied on unique foam-filled fiberglass butt/stock fur ...
by license from ActionSportGames or Olympic Arms. The airsoft company ActionSportGames has licensed trademark rights from many well-known firearm manufacturers, such as Armalite, Dan Wesson, CZ,
Steyr Steyr (; ) is a statutory city (Austria), statutory city, located in the Austrian federal state of Upper Austria. It is the administrative capital, though not part of Steyr-Land District. Steyr is Austria's 12th most populated town and the 3rd lar ...
, STI, B&T and Franchi. Another company who licence the designs of gun companies is Evolution International. It has a portfolio of exclusive licences from ADC Armi Dallera Custom, TangoDown, Z-M Weapons, DSR precision, Lone Star Tactical, and SAR. In addition, there have been reports of companies taking action in defense of their intellectual property rights. Some end users have made attempts to sell their guns, some in the style of
Glock Glock (; stylized as GLOCK) is a brand of polymer- framed, short-recoil-operated, striker-fired, locked-breech semi-automatic pistols designed and produced by Austrian manufacturer Glock Ges.m.b.H. The firearm entered Austrian military an ...
pistols, only to find Glock blocking the sale and threatening legal action. In addition to these actions, Glock, as well as
Heckler & Koch Heckler & Koch GmbH (HK or H&K; ) is a German firearms manufacturer that produces handguns, rifles, submachine guns, and grenade launchers. The company is located in Oberndorf am Neckar, Baden-Württemberg and also has subsidiaries in the United ...
, have blocked the sale, trade and distribution of replicas bearing resemblance to their products. Recently, Glock gave the licensing to the Glock name and likeness to Elite Force/Umarex to produce replica models of the real Glock series of firearms. The
United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and Admiralty law, law enforcement military branch, service branch of the armed forces of the United States. It is one of the country's eight Uniformed services ...
, which has long used the .40 caliber SIG P229 as its duty sidearm, announced on November 5, 2018, that it will acquire the SIG Air ProForce P229 airsoft pistol (then produced under
brand licensing Brand licensing means renting or leasing of an intangible asset. It is a process of creating and managing contracts between the owner of a brand and a company or individual who wants to use the brand in association with a product, for an agreed ...
by French airsoft manufacturer CyberGun) as a training pistol for cadets and guardsmen. In response, SIG Air,
SIG Sauer SIG Sauer is since the 1970s a combined brand name of several Firearms manufacturing companies, with SIG referring to ''Swiss Industry Group'' originally founded 1853, while the latter part comes from Sauer & Sohn, founded in 1751 in Germany a ...
's airgun division, announced on January 17, 2019, that it was introducing its own in-house ProForce airsoft line for professional training, with the initial offerings include the M17 and P229 airsoft pistol. SIG Air also announced that "we are rapidly expanding the SIG AIR business, and it is important to us to assume full control to ensure all SIG Air products are of the highest quality", and it would no longer be licensing the "SIG" brand or trademarks for sale by commercial airsoft manufacturers.


See also

* Airsoft pellets * Hop-up (airsoft) * Legal issues in airsoft *
Air gun An air gun or airgun is a gun that uses energy from compressed air or other gases that are mechanically pressurized and then released to propel and accelerate projectiles, similar to the principle of the primitive blowgun. This is in contr ...
*
BB gun A BB gun is a type of air gun designed to shoot metallic spherical projectiles called BBs (not to be confused with similar-looking bearing balls), which are approximately the same size as BB-size lead birdshot used in shotguns ( in diameter) ...
*
Paintball Paintball is a competitive sport, competitive team sport, team shooting sport in which players eliminate opponents from play by hitting them with spherical dye-filled gelatin capsules called Paintball equipment#Paintballs, paintballs that b ...
* Gel ball shooter * Entertech * Xploderz *
Toy gun Toy guns are toys which imitate gun, real guns, but are designed for recreational sport or casual play by children. From hand-carved wooden replicas to factory-produced pop guns and cap guns, toy guns come in all sizes, prices and materials suc ...


References

{{reflist, refs= {{cite web, url=http://www.epa.gov/ozone/snap/aerosol/aerosol.pdf, title=Significant New Alternatives Policy (SNAP) - US EPA , website=Environmental Protection Agency , access-date=May 9, 2018, url-status=live, archive-url=https://web.archive.org/web/20150616125854/http://www.epa.gov/Ozone/snap/aerosol/aerosol.pdf, archive-date=June 16, 2015 {{cite web, url=http://www.epa.gov/spdpublc/fedregstr/58fr50464.html, title=58 FR 50464 | Ozone Layer Protection – Regulatory Programs | US EPA, website=epa.gov, access-date=May 9, 2018, url-status=live, archive-url=https://web.archive.org/web/20120107152010/http://www.epa.gov/spdpublc/fedregstr/58fr50464.html, archive-date=January 7, 2012 {{cite web , url=https://www.400fps.com/airsoft_blog/gas/ , title=GAS!! | Airsoft Blog , access-date=2012-12-20 , url-status=dead , archive-url=https://archive.today/20130116034504/https://www.400fps.com/airsoft_blog/gas/ , archive-date=2013-01-16 Gas descriptions Airsoft Japanese inventions Pneumatic weapons Toy weapons