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List of Colt AR-15 and M16 rifle variants. ArmaLite AR-15 with the charging handle located on top of the upper receiver, protected within the carrying handle and a 25-round magazine. 1973 Colt AR-15 SP1 rifle with "slab side" lower receiver (lacking raised boss around magazine release button) and original Colt 20-round magazine.
The Colt AR-15 is a product line of magazine-fed, gas-operated, autoloading rifle manufactured by Colt's Manufacturing Company ("Colt") in many configurations. [1] The rifle is a derivative of its predecessor, the lightweight ArmaLite AR-15 , an automatic rifle designed by Eugene Stoner and other engineers at ArmaLite in 1956.
The first version produced for commercial sale by Colt was the SP1 model AR-15 Sporter in .223 Remington, with a 20-inch (51 cm) barrel and issued with five-round magazines. [21] Initial sales of the Colt AR-15 were slow, primarily due to its fixed sights and carry handle that made scopes difficult to mount and awkward to use. [82]
M16 internal piston action system. The M16 is a lightweight, 5.56 mm, air-cooled, gas-operated, magazine -fed assault rifle, with a rotating bolt. The M16's receivers are made of 7075 aluminum alloy, its barrel, bolt, and bolt carrier of steel, and its handguards, pistol grip, and buttstock of plastics.
The ArmaLite AR-15[ note 3 ] is a gas-operated assault rifle manufactured in the United States between 1959 and 1964. [ 10 ] Designed by American gun manufacturer ArmaLite in 1956, it was based on its AR-10 rifle. The ArmaLite AR-15 was designed to be a lightweight rifle and to fire a new high-velocity, lightweight, small-caliber cartridge to ...
www.colt.com. Colt's Manufacturing Company, LLC (CMC, formerly Colt's Patent Firearms Manufacturing Company) is an American firearms manufacturer, founded in 1855 by Samuel Colt that has become a subsidiary of Czech holding company Colt CZ Group. It is the successor corporation to Colt's earlier firearms-making efforts, which started in 1836.
Bushmaster XM-15. The Bushmaster XM-15 series (or XM15[3]) is a line of AR-15 style semi-automatic rifles and carbines manufactured by Bushmaster Firearms International, LLC. [2] Variants include the Bushmaster M4-type Carbine, Patrolman series, QRC series, Bushmaster XM15-E2S, and the Carbon 15 line. [2][5]
Between 1964 and 1965, Colt began to expand the AR-15 beyond the realm of an infantry/assault rifle with the development of light machine gun weaponry. The result was the Model 606 series. [5] Colt made two of the model 606, called A and B models. The A model “featured forward assist devices found on the Colt 603 rifles.”