The Armalite AR-15 (also known as the Colt M16) was an American gas direct action selective fire assault rifle derived from the Armalite AR-10 and designed by Eugene Stoner in response to requirements from the Infantry Board at Fort Benning for a lightweight selective fire assault rifle which could penetrate body armour or a steel helmet at 500 yards with accuracy at least as good as that of the M1 Carbine at 500 yards. Eugene Stoner's response was to design a lightweight, low impulse rifle firing a light-weight bullet at a high velocity, and this was first demonstrated to the Infantry Board in 1958. The Armalite AR-15 was chambered for the 5.56 mm x 45 cartridge which it took from a 20- or 30-round box magazine and fired at a muzzle velocity of 1000 metres per second at a cyclic rate of between 700 and 950 rounds per minute to an effective range of 400 metres. The Armalite AR-15 had a 508 mm long barrel and was fitted with a cylinder foresight and a flip aperture rearsight
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The Armalite AR-18 was an American gas-operated selective-fire automatic rifle based on the Armalite AR-15, but simplified with the intention of being a cheaper and more easily produced weapon than the then current Armalite AR-15. It was produced from 1966 to 1979, first by Armalite in the USA, and then by Sterling Armaments in the UK. The AR-18 was chambered for the 5.56 mm M109 cartridge which it took from a 20-, 30- or 40-round magazine and fired at a cyclic rate of 800 rounds per minute or single-shot with a muzzle velocity of 1000 metres per second to an effective range of 460 metres. The Armalite AR-18 had a 464 mm long barrel and was fitted with a cylindrical post foresight and an aperture flip rearsight. The Armalite AR-18 saw operation with police forces and some smaller military forces. A sub-machine-gun version, the Armalite AR-18S was also produced in limited quantities.
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The Armscor M-1600 is a Philippino semi-automatic .22 Long Rifle version of the Armalite AR-15 military rifle designed for sporting uses. The Armscor M-1600 is made from blued steel with a black painted hardwood stock and pistol grip. It takes a 10-round magazine and has a 46.4 cm long barrel and is fitted with adjustable military optical sights.
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The Colt Commando is an American gas operated selective fire automatic rifle. The Colt Commando forms a shorter version of the Armalite AR-15. It takes a .223 inch round from a 20- or 30-round magazine. It has a muzzle velocity of 924 meters-per-second and a cyclic rate of 750 rounds-per-minute. It is sighted to 458 metres with an effective range of 200 metres. The Colt Commando has a shorter 254 mm long barrel, telescopic butt and is fitted with a cylindrical post foresight and a flip aperture rearsight.
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The Colt Match Target is an American civilian semi-automatic version of the Armalite AR-15 rifle. The Colt Match Target is produced in black phosphate coated steel with a plastic stock and is produced in various calibres including .223 Remington and 9 mm Parabellum. It takes a 5-round magazine and has a 20 inch long barrel with adjustable folding optical sight.
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The Colt Sporter is an American civilian semi-automatic version of the Armalite AR-15 rifle. The Colt Sporter is produced in black phosphate coated steel with a plastic stock and is chambered for the .223 Remington cartridge. It takes a 5-, 20- or 30-round magazine and has a 20 inch long barrel with adjustable folding optical sight.
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The Daewoo DR 200 is a Korean semi-automatic, gas-pressure operated military rifle first produced in 1985. The DR 200 combines features of the Armalite AR-15 and the AK47 rifles. It is produced in .223 Remington (5.56 mm NATO) calibre and takes a 5, 10, or 20-round Armalite AR-15 magazine. The DR 200 has a 18.25 inch long barrel and is fitted with a military optical sight and bead tunnel and a mounting for a telescopic sight.
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The FN-FNC is a Belgian gas operated selective fire assault rifle developed to replace the FN CAL, and first produced in the late 1970's. The FN-FNC is chambered for the 5.56 mm x 45 cartridge and takes a 30-round box magazine (interchangeable with the magazine for the US Armalite AR-15 rifle) and has a cyclic rate of between 600 and 750 rounds-per-minute. The muzzle velocity varies with the cartridge used, standard NATO M193 or FN SS109, and is between 915 and 965 metres per second. The FN-FNC has a 450 mm long barrel, folding stock and is fitted with a cylindrical post foresight and a flip aperture rearsight. The FN-FNC when fitted with a barrel rifled for the FN SS109 cartridge has an improved effective range, approaching that of rifles chambered for the 7.62 mm cartridge, and can penetrate a US steel army helmet at a range of 1100 metres
The Daewoo K2 Assault Rifle is a South Korean gas-operated assault rifle chambered for the 5.56 mm x 45 cartridge fed from a standard Armalite AR-15 type 30-round magazine. The rate of fire is selectable as single-shot, three-round burst or fully automatic with a cyclic rate of 800 rounds per minute and has a muzzle velocity of 960 meters-per-second with the M193 cartridge and 920 meters-per-second with the SS109 cartridge.
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The Knight Master Key S is an American 12-gauge shotgun based upon the Remington Model 870, and fits underneath an Armalite AR-15 carbine. It is so named from the fact that a 12-gauge shotgun blast will remove most door locks.
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