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FN HP-DA
FN HP-DA ('' Hi-Power Double Action'') is a 9mm semi-automatic pistol developed by Belgian Fabrique Nationale arms factory in Herstal. In North American markets, it was marketed as the Browning BDA (''Browning Double Action'', also BDA9) and is also referred to as Browning DA and Browning Hi-Power BDA. Introduced in 1983, it is an update of the Browning Hi-Power (a.k.a. ''GP 35'' in Belgium and French-speaking countries). The overall design layout of all versions of the pistol is based on the Browning Hi-Power, but the firearm features significant ergonomic changes designed to update the weapon to military requirements of its time. History The BDA represents the further development of the widely used FN/Browning Hi-Power, which, by the 1980s, had been production for almost fifty years before the design of the BDA was completed. The development of the BDA may have been a response to the original Hi-Power's shortcomings in the first Joint Service Small Arms Program tests conducte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 after every shot fired, but only one round of ammunition is fired each time the Trigger (firearms), trigger is pulled. The pistol's fire control group disconnects the trigger mechanism from the firing pin/striker until the trigger has been released and reset manually, unlike the self-cycled firing mechanism in machine pistol, fully automatic pistols. A semi-automatic pistol recycles part of the energy released by the propellant combustion to move its bolt (firearm), bolt, which is usually housed inside the pistol slide, slide. After a round of ammunition is fired, the spent cartridge casing is extracted and ejected as the slide/bolt moves rearwards under recoil, the hammer (firearms), hammer/striker is cocked by the slide/bolt movement, and a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Joint Service Small Arms Program
The Joint Service Small Arms Program, abbreviated JSSAP, was created to coordinate weapon standardization between the various United States armed service branches. Prelude In 1962, the Air Force adopted the Smith & Wesson Model 15 revolver over the M1911A1. By 1977 their inventory was wearing out, and the USAF requested special ammunition for the M15 to improve its effectiveness due to malfunctions it suffered. A Congressional investigation revealed that the USAF had 25 different handguns in inventory. Congressman Addabbo from New York said, "The current proliferation of handguns and handgun ammunition in Air Force inventory is intolerable." Congress encouraged DOD to select a standard handgun and phase out all others. This task was assigned to the newly created Joint Service Small Arms Program (JSSAP). The United States Military forces had been using a variety of different small arms which grew over the years to about ten different types of handguns. Models in use ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Forces Libanaises Flag
In physics, a force is an influence that can cause an object to change its velocity unless counterbalanced by other forces. In mechanics, force makes ideas like 'pushing' or 'pulling' mathematically precise. Because the magnitude and direction of a force are both important, force is a vector quantity. The SI unit of force is the newton (N), and force is often represented by the symbol . Force plays an important role in classical mechanics. The concept of force is central to all three of Newton's laws of motion. Types of forces often encountered in classical mechanics include elastic, frictional, contact or "normal" forces, and gravitational. The rotational version of force is torque, which produces changes in the rotational speed of an object. In an extended body, each part applies forces on the adjacent parts; the distribution of such forces through the body is the internal mechanical stress. In the case of multiple forces, if the net force on an extended body is zero the bo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
9×21mm
The 9×21mm pistol cartridge (also known as the 9×21mm GP, 9×21mm IMI, 9mm IMI, 9×21mm Italian, or 9mm Italian) was designed by Jager (Loano, Italy), then adopted and commercialised by Israel Military Industries for those jurisdictions where military service cartridges, like the 9×19mm Parabellum, are or were illegal for civilian purchase (i.e. Italy, France, Brazil, and Mexico). History Based on the 9×19mm Parabellum cartridge, the case was lengthened from . The bullet sits slightly deeper in the case, which results in almost the same overall length as the 9×19mm Parabellum cartridge (). The cartridge was designed by Erasmus Giordano & Armando Piscetta to be used for civil purposes with large pistols (also those designed for .45 ACP). It was named "9 mm GP". The users were not enthusiastic at the very beginning for several reasons, such as the fact that barrels had to be modified. During the 1980s, Israel Military Industries (IMI) started to use 9×21mm and received ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tritium
Tritium () or hydrogen-3 (symbol T or H) is a rare and radioactive isotope of hydrogen with a half-life of ~12.33 years. The tritium nucleus (t, sometimes called a ''triton'') contains one proton and two neutrons, whereas the nucleus of the common isotope hydrogen-1 (''protium'') contains one proton and no neutrons, and that of non-radioactive hydrogen-2 ('' deuterium'') contains one proton and one neutron. Tritium is the heaviest particle-bound isotope of hydrogen. It is one of the few nuclides with a distinct name. The use of the name hydrogen-3, though more systematic, is much less common. Naturally occurring tritium is extremely rare on Earth. The atmosphere has only trace amounts, formed by the interaction of its gases with cosmic rays. It can be produced artificially by irradiation of lithium or lithium-bearing ceramic pebbles in a nuclear reactor and is a low-abundance byproduct in normal operations of nuclear reactors. Tritium is used as the energy source in radio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Browning BDM
The Browning BDM is a semi-automatic pistol designed and manufactured by the Browning Arms Company from 1991 until production ceased in 1998. Similar in appearance to Browning's (FN Herstal's P-35 model) " Hi-Power" pistol, the BDM was actually a new design created to compete in service trials for a proposal as a standard issue pistol for the Federal Bureau of Investigation (FBI). However, the BDM failed to win any large scale law enforcement contracts, so was instead sold only in the retail market. Having a similar profile to the Browning P-35 Hi-Power, the BDM and its variants are often conflated as mere variants of the much older P-35 model, or other newer Browning or FN Herstal pistols that were updated variants of the P-35, such as the Hi-Power DAO model. Design The Browning model BDM and its variants were designed and developed exclusively by the Browning Arms Company attempting to address the trend within North American law enforcement agencies of transitioning from the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trigger (firearms)
A trigger is a mechanism (engineering), mechanism that Actuator, actuates the function of a ranged weapon such as a firearm, airgun, crossbow, or speargun. The word may also be used to describe a switch that initiates the operation of other non-shooting devices such as a animal trap, trap, a power tool, or a quick release. A small amount of energy applied to the trigger leads to the release of much more energy. Most triggers use a small flat or slightly curved lever (called the ''trigger blade'') depressed by the index finger, but some weapons such as the M2 Browning machine gun or the Iron Horse TOR ("thumb-operated receiver") use a push-button-like thumb-actuated trigger design, and others like the Springfield Armory M6 Scout use a squeeze-bar trigger similar to the "ticklers" on crossbow#Medieval Europe, medieval European crossbows. Although the word "trigger" technically implies the entire mechanism (known as the ''trigger group''), colloquially it is usually used to refer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Recoil Operation
Recoil operation is an operating mechanism used to implement locked-breech autoloading firearms. Recoil operated firearms use the energy of recoil to cycle the action, as opposed to gas operation or blowback operation using the pressure of the propellant gas. History The earliest mention of recoil used to assist the loading of firearms is sometimes claimed to be in 1663 when an Englishman called Palmer proposed to employ either it or gases tapped along a barrel to do so. However no one has been able to verify this claim in recent times, although there is another automatic gun that dates from the same year, but its type and method of operation are unknown. Recoil-operation, if it was invented in 1663, would then lie dormant until the 19th century, when a number of inventors started to patent designs featuring recoil operation; this was due to the fact that the integrated disposable cartridge (both bullet and propellant in one easily interchangeable unit) made these designs vi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
FN FNP
The FN FNP pistol is a series of semi-automatic, polymer- framed pistols manufactured in Columbia, South Carolina, by FNH USA, a division of Fabrique Nationale de Herstal. Design Operation The pistols of the FNP series are hammer-fired firearms utilizing a Browning cam system with an external extractor. The trigger module is housed inside the polymer frame as an individual unit connected to the hammer. The magazine release button is held in place by a retention pin which can be removed to allow the magazine release button to be reversed. The trigger pull for the FNP-9 variant is generally while in double action, and while in single action. All variations of the pistol include ambidextrous decocking levers and a reversible magazine release, as well as an integrated tactical accessory rail. In addition, the FNP-45 offers an ambidextrous slide release. Disassembly and reassembly of the handgun is relatively simple. To disassemble the weapon, the slide is locked ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
FN Forty-Nine
The FN Forty-Nine (also FN 49) is a recoil operated, locked breech semi-automatic pistol developed by the Belgian company FN Herstal, and manufactured in the United States. The name of the pistol reflects its two chamberings, .40 S&W (''forty'' caliber) and 9×19mm Parabellum, while also matching the manufacturer's initials (FN). Overview The FN Forty-Nine was designed to be a modern semi-automatic pistol with modern pistol chambering, intended for law-enforcement and military markets. Introduced in 2000, the 49 pistol was apparently discontinued in early 2005, having last appeared on the company's website in late 2004. The Forty Nine did not meet the expected commercial success, and in 2003 gave rise to the more attractive FN FNP. Design The 49 is striker-fired and uses FN's "Repeatable Secure Striker" mechanism. This means that unlike many other striker-fired pistols, the Forty-Nine operates on a double-action only (DAO) trigger mechanism, meaning that the hammer is cocked by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Finnish Defence Forces
The Finnish Defence Forces (FDF) (; ) are the military of Finland. The Finnish Defence Forces consist of the Finnish Army, the Finnish Navy, and the Finnish Air Force. In wartime, the Finnish Border Guard becomes part of the Finnish Defence Forces. Universal male Conscription in Finland, conscription is in place, under which all mentally and physically capable men serve for 165, 255, or 347 days, from the year they turn 18 until the year they turn 29. Alternative Alternative civilian service, non-military service for men and voluntary service for women is available. Finland's official policy states that a wartime military strength of 280,000 personnel constitutes a sufficient deterrent. The army consists of a highly mobile field army backed up by local defence units. The army defends the national territory and its military strategy employs the use of the Geography of Finland, heavily forested terrain and numerous lakes to wear down an aggressor, instead of attempting to hold th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Beretta 92
The Beretta 92 (also Beretta 96 and Beretta 98) is a series of semi-automatic pistols designed and manufactured by Beretta of Italy. History Carlo Beretta, Giuseppe Mazzetti and Vittorio Valle, all experienced firearms designers, contributed to the final design in 1975. The Beretta 92 was designed in 1975, and production began in 1976. Many variants in several calibers continue to be used to the present. Evolution 92 Production began in May 1976, and ended in February 1983. Approximately 7,000 units were of the first "step slide" design and 45,000 were of the second "straight slide" type. 92S In order to meet the requirements of some law enforcement agencies, Beretta modified the Beretta 92 by adding a slide-mounted combined safety and decocking lever, replacing the frame-mounted manual thumb safety. This resulted in the 92S, which was adopted by several Italian law enforcement and military units. The magazine release button is at the bottom of the grip as is customary in E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
