SG 550

The SG 550 is an assault rifle manufactured by Swiss Arms AG (formerly Schweizerische Industrie Gesellschaft) of Neuhausen, Switzerland (SG is an abbreviation for Sturmgewehr, or "assault rifle"). The rifle is based on the earlier 5.56mm SG 540 and is also known as the Fass 90 (Fusil d'assaut 90 / Fucile d'assalto 90) in French / Italian or Stgw 90 in GermanIn 1978, the Swiss Army formulated requirements for a successor to the Stgw 57 battle rifle (known commercially as the SG 510) using the 7.5x55mm GP11 cartridge. Emphasis was placed on modularity; the weapon family was to include several variants of the base design, including a compact carbine...

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M4

The M4 carbine is a family of firearms tracing its lineage back to earlier carbine versions of the M16, all based on the original AR-15 designed by Eugene Stoner and made by ArmaLite. It is a shorter and lighter version of the M16A2 assault rifle, with 80% parts commonality.[3] It is a gas-operated, air-cooled, magazine-fed, selective fire, shoulder-fired weapon with a telescoping stock. A shortened variant of the M16A2 rifle, the M4 has a 14.5 in (368 mm) barrel, allowing the individual soldier to better operate in close quarters. The M4 has selective fire options including semi-automatic and three-round burst (like the M16A2), while the M4A1...

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P90

The FN P90 is a selective fire personal defense weapon (PDW) designed and manufactured by FN Herstal in Belgium.[3] The P90's name is taken from 1990, the year it was introduced.[2] The P90 was created in response to NATO requests for a replacement for 9x19mm Parabellum firearms; it was designed as a compact but powerful firearm for vehicle crews, operators of crew-served weapons, support personnel, special forces and counter-terrorist groups.[3][7] The P90 was designed by FN in conjunction with the FN Five-seven pistol and 5.7x28mm ammunition.[2] Development of the P90 began in 1986, and production commenced in 1990, whereupon the 5.7x28mm ammunition...

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MP7

The MP7 is a German submachine gun manufactured by Heckler & Koch (H&K) and chambered for the 4.6x30mm cartridge. It was designed in conjunction with the new cartridge to meet NATO requirements published in 1989 calling for a personal defense weapon (PDW) class firearm with a greater ability to defeat body armor than current weapons, which are limited due to the use of conventional pistol cartridges. The MP7 went into production in 2001. It is a direct rival to the FN P90, also developed in response to NATO's requirement. The weapon has been revised since its introduction and the current production version is the MP7A1.The proliferation...

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Kriss

All traditional machine guns, large and small, share a common problem; they utilize heavy linear operating mechanisms that deliver recoil forces directly into the operator's shoulder. These forces cause the operator to constantly re- acquire his sight picture due to felt recoil shock and the resulting rotational muzzle climb. Newton's 3rd Law; run amok.In other words, if the point of operating a machine gun is to put lots of rounds, in a hurry and in a very specific location, why is it that traditional machine guns, no matter how many tricky buffers, floating barrels, springs and pads are deployed, all work against the operator's goal?The engineers...

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AK

The AK-47 is a selective-fire, gas-operated 7.62x39mm assault rifle, first developed in the Soviet Union by Mikhail Kalashnikov. It is officially known as Avtomat Kalashnikova. It is also known as a Kalashnikov, an "AK", or, in Russian slang, Kalash.Design work on the AK-47 began in the last year of World War II (1945). After the war in 1946, the AK-46 was presented for official military trials. In 1947 the fixed-stock version was introduced into service with select units of the Soviet Army. An early development of the design was the AKS-47 (S—Skladnoy or "folding"), which was equipped with an underfolding metal shoulder stock. In 1949, the AK-47...

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Shotgun

Shotguns were originally designed to fire multiple small projectiles in a single shot. This method is still used mainly for hunting small game, and, occasionally, for hunting deer with buckshot, but modern shotguns can also be used for bigger game (deer, bear, etc.) when loaded with slugs. Hunting shotguns are shoulder-fired weapons, and are generally smoothbores, but guns designed to fire slugs may have rifled barrels. Shotguns are used for short range shooting, and are less accurate than rifles, though the ability to fire multiple projectiles makes them ideal for small, fast moving targets. Additionally, the shorter effective range of shotguns,...

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