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Wadcutter
A wadcutter is a special-purpose flat-fronted bullet specifically designed for shooting paper targets, usually at close range and at subsonic velocities typically under approximately . Wadcutters have also found favor for use in self-defense guns, such as .38 caliber snubnosed revolvers, due to shorter barrel lengths, lower bullet velocities, and improved lethality. Wadcutters are often used in handgun and airgun competitions. Bullet profile A wadcutter has a flat or nearly flat front that is typically as wide as the caliber size or only slightly smaller in diameter than caliber size. For target shooting, a wadcutter cuts a very clean hole through the paper target, making it easier to score and ideally reducing errors in scoring the target in the favor of the shooter. Because the flat nosed bullet is not well suited for feeding out of a magazine, wadcutters are normally used in revolvers or in specially designed semi-automatic pistols, such as the Smith & Wesson Model 52. Alth ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Semiwadcutter
A semiwadcutter (SWC) or flat-nose is a type of all-purpose bullet commonly used in revolvers. The SWC combines features of the traditional round-nosed bullets and the wadcutter bullets used in target shooting, and is used in both revolver and rifle cartridges for hunting, target shooting and plinking. Full wadcutters frequently have problems reliably feeding from the magazines of semi-automatic pistols, so SWCs may be used when a true WC is desired but cannot be used for this reason. The semiwadcutter design consists of a roughly conical shape with the tip truncated flat (called a '' meplat''), sitting on a cylinder (''A'' at right). The base of the cone is slightly smaller in diameter than the cylinder, leaving a sharp shoulder. The flat nose punches a clean hole in the target, rather than stretching/tearing it like a round nose bullet would, and the sharp shoulder enlarges the hole neatly, allowing easy and accurate scoring of the target. A hunting flat nosed cast bullet ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
357 Magnum
The .357 Smith & Wesson Magnum, .357 S&W Magnum, .357 Magnum, or 9×33mmR (as it is known in unofficial metric designation) is a smokeless powder cartridge with a bullet diameter. It was created by Elmer Keith, Phillip B. Sharpe, and Douglas B. Wesson of firearm manufacturers Smith & Wesson and Winchester. The .357 Magnum cartridge is notable for its highly effective terminal ballistics. The .357 Magnum cartridge is based upon Smith & Wesson's earlier .38 Special cartridge. It was introduced in 1935, and its use has since become widespread. Design The .357 Magnum was collaboratively developed over a period in the early to mid-1930s by a group of individuals as a direct response to Colt's .38 Super Automatic. At the time, the .38 Super was the only American pistol cartridge capable of defeating automobile cover and the early ballistic vests that were just beginning to emerge in the Interwar period. Tests at the time revealed that those vests defeated any handgun bullet trav ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Elmer Keith
Elmer Merrifield Keith (March 8, 1899 – February 14, 1984) was an American rancher, firearms enthusiast, and author. Keith was instrumental in the development of the first magnum revolver cartridge, the .357 Magnum (1935), as well as the later .44 Magnum (1956) and .41 Magnum (1964) cartridges, credited by Roy G. Jinks as "the father of big bore handgunning." Keith was born in Hardin, Missouri, and overcame serious injuries that he had sustained at age 12 in a fire when he was living in Missoula, Montana. Career During World War II, Keith served as an inspector at the Ogden, Utah, Arsenal. The rifles that he inspected were cartouche stamped with the initials "OGEK" in a rectangular box, on the buttstock. Rifles stamped OGEK without a rectangular box were inspected by Ed Klouser at the same Ogden Arsenal. Magnum revolvers Keith's first major contribution, the .357 Magnum, was the result of handloading the .38 Special cartridge far beyond normally accepted limits, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pellet (air Gun)
A pellet is a non-spherical projectile designed to be shot from an air gun, and an airgun that shoots such pellets is commonly known as a pellet gun. Air gun pellets differ from bullets and shot (pellet), shot used in firearms in terms of the pressures encountered; airguns operate at pressures as low as 50 atmospheres, while firearms operate at thousands of Atmosphere (unit), atmospheres. Airguns generally use a slightly undersized projectile that is designed to obturate upon shooting so as to seal the bore, and engage the rifling; firearms have sufficient pressure to force a slightly oversized bullet to fit the bore in order to form a tight seal. Since pellets may be shot through a smoothbore gun barrel, barrel, they are often designed to be inherently stable, much like the Foster slugs used in smoothbore shotguns. Types Diabolo pellet The diabolo pellet (or "wasp waist pellet") is the most common design traditionally found in airguns. It consists of a solid front portion ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bullets
A bullet is a Kinetic energy weapon, kinetic projectile, a component of firearm ammunition that is Shooting, shot from a gun barrel. They are made of a variety of materials, such as copper, lead, steel, polymer, rubber and even wax; and are made in various shapes and constructions (depending on the intended applications), including specialized functions such as hunting, Shooting sports, target shooting, training, and combat. Bullets are often tapered, making them more Aerodynamics, aerodynamic. Bullet size is expressed by weight and diameter (referred to as "caliber") in both imperial and metric measurement systems. Bullets do not normally contain explosives but strike or damage the intended target by transferring kinetic energy upon impact and Penetration (weaponry), penetration. Description The term ''bullet'' is from Early French, originating as the diminutive of the word ''boulle'' (''boullet''), which means "small ball". Bullets are available singly (as in Muzzleloader, muzz ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
10 Metre Air Pistol
The 10 metre air pistol is an Olympic shooting event governed by the International Shooting Sport Federation (ISSF). It is similar to 10 metre air rifle in that it is shot with 4.5 mm (or .177) caliber air guns at a distance of , and that the match consists of a qualification round of 60 competition shots within 75 minutes. If an electronic scoring system (EST) is not available, 15 minutes are added to the time limit. Competitors are allowed to shoot an unlimited number of shots during the 15 minutes preparation and sighting time. Along with the 50 meter pistol, it is considered a precision shooting event. Thus, numerous shooters compete in both events. There are some restrictions on the pistol regarding its dimensions, weight and trigger pull weight. It must be operated by one hand only from a standing, unsupported position. The shooter decides their own tempo as long as the maximum time is not exceeded. After the qualification round, the shooters with the top eight s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Airgun
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 to a firearm, which shoots projectiles using energy generated via exothermic combustion ( detonation) of chemical propellants, most often black powder or smokeless powder. Air guns come in both long gun (air rifle) and handgun (air pistol) forms. Both types typically propel metallic projectiles that are either diabolo-shaped pellets or spherical shots called BBs, although in recent years Minié ball-shaped cylindro-conoidal projectiles called slugs are gaining more popularity. Certain types of air guns (usually air rifles) may also launch fin-stabilized projectile such as darts (e.g., tranquilizer guns) or hollow-shaft arrows (so-called "airbows"). The first air guns were developed as early as the 16th century, and have s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
10 Metre Air Rifle
10 meter air rifle is an International Shooting Sports Federation (ISSF) shooting event, shot at a bullseye target over a distance of using a calibre air rifle with a maximum weight of . It is one of the ISSF sports governed in shooting sports included in the Summer Olympics since the 1984 Los Angeles Games. Shots are fired from the standing position only, as opposed to some other airgun disciplines such as for three positions (popular in the United States) or in disabled sports, which allows sitting and prone positions. Due to the low recoil of air guns and the need for stability, the shooter frequently adopts a deliberately lordotic and scoliotic posture, which allows the non-dominant elbow to be rested against the chest to support the forearm and improves the stability of the shooting stance. The use of specialized rigidly padded vest is allowed to prevent chronic back injury, which can be caused by prolonged asymmetric load on the spinal column. The major competiti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Smith & Wesson Model 52
The Smith & Wesson Model 52, sometimes referred to as the 38 Master, is a semi-automatic pistol developed by Smith & Wesson for Bullseye shooting. It was one of the first semiautomatic pistols chambered in .38 Special with flush-seated, full wadcutter bullets. The shape of the rimmed cartridge limited the magazine capacity to five rounds. A variant, known as the Model 952, in 9 mm Parabellum, is still produced in limited quantities by Smith & Wesson's Performance Center. The Model 52 was discontinued in 1993 when the machinery to manufacture the pistol broke down and it was deemed too costly to replace. History In 1961, Smith & Wesson Model introduced the Model 52 as a match-grade target pistol derived from the Smith & Wesson Model 39. It was chambered in .38 Special Wadcutter for the sport of Bullseye shooting. The first version, known simply as the Model 52, retained the basic trigger mechanism of the Model 39, with the Double-Action function selectable via a simple frame-mou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bullet
A bullet is a kinetic projectile, a component of firearm ammunition that is shot from a gun barrel. They are made of a variety of materials, such as copper, lead, steel, polymer, rubber and even wax; and are made in various shapes and constructions (depending on the intended applications), including specialized functions such as hunting, target shooting, training, and combat. Bullets are often tapered, making them more aerodynamic. Bullet size is expressed by weight and diameter (referred to as "caliber") in both imperial and metric measurement systems. Bullets do not normally contain explosives but strike or damage the intended target by transferring kinetic energy upon impact and penetration. Description The term ''bullet'' is from Early French, originating as the diminutive of the word ''boulle'' (''boullet''), which means "small ball". Bullets are available singly (as in muzzle-loading and cap and ball firearms) but are more often packaged with propellant as a cartri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Full Metal Jacket Bullet
A full metal jacket (FMJ) bullet is a small-arms projectile consisting of a soft core (often lead) encased in an outer shell ("jacket") of harder metal, such as gilding metal, cupronickel, or, less commonly, a steel alloy. A bullet jacket usually allows higher muzzle velocity, muzzle velocities than bare lead without depositing significant amounts of metal in the Gun barrel, bore. It also prevents damage to bores from hard steel or armour-piercing ammunition, armor-piercing core materials. History Despite a widespread belief that the full metal jacket bullet was invented ca. 1882 by Swiss Colonel Eduard Rubin while he was working for the Swiss Federal Ammunition Factory and Research Center, in fact it was known already in the 1880s that the actual inventor was Prussian Major (later Lt.-Col.) (1835-1885), who came up with the idea either in 1875 or 1876. The use of full metal jacketing in military ammunition came about in part because of the need for improved feeding charac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rifling
Rifling is the term for helical grooves machined into the internal surface of a firearms's barrel for imparting a spin to a projectile to improve its aerodynamic stability and accuracy. It is also the term (as a verb) for creating such grooves. The opposite of rifling is smoothbore. Rifling is measured in ''twist rate'', the distance the rifling takes to complete one full revolution, expressed as a ratio with 1 as its base (e.g., 1:). A shorter distance/lower ratio indicates a faster twist, generating a higher spin rate (and greater projectile stability). The combination of length, weight, and shape of a projectile determines the twist rate needed to gyroscopically stabilize it: barrels intended for short, large-diameter projectiles such as spherical lead balls require a very low twist rate, such as 1 turn in 48 inches (122 cm). Barrels intended for long, small-diameter projectiles, such as the ultra-low-drag 80-grain 0.223 inch bullets (5.2 g, 5.56&nb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
