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The ArmaLite AR-15 was designed to be a lightweight rifle and to fire a new high-velocity, lightweight, small-caliber cartridge to allow infantrymen to carry more ammunition. [ 11 ] In 1959, ArmaLite sold its rights to the AR-15 to Colt due to financial difficulties and limitations in terms of manpower and production capacity. [ 1 ]
However, the legality of this definition has been disputed in conflicting court rulings as to whether the AR-15 lower receiver matches the legal definition set forth in 27 CFR § 479.11, with some lower courts disagreeing while [30] [31] [32] a 2021 case from the Eighth Circuit found otherwise.
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.
In 2018, Small Arms Survey reported that there are over one billion small arms distributed globally, of which 857 million (about 85 percent) are in civilian hands. [2] [3] U.S. civilians alone account for 393 million (about 46 percent) of the worldwide total of civilian held firearms. [3] This amounts to "120.5 firearms for every 100 residents."
ArmaLite, or Armalite, is an American small arms engineering company, formed in the early 1950s in Hollywood, California.Many of its products, as conceived by chief designer Eugene Stoner, relied on unique foam-filled fiberglass butt/stock furniture and a composite barrel using a steel liner inside an aluminum sleeve, including the iconic AR-15/M16 family.
The .284 Winchester case is very similar to the .308, however, the .284 case has a body diameter of 0.500", and the .308 case has a body diameter of 0.471". Both share an identical head/rim. The 450B is limited to 35,000-psi, which is more common in pistols, and lower than similarly sized rifle cartridges.
The ejector would then fail to extract the cartridge case, tearing through the case rim, and leaving an obturated case behind. [ 96 ] After the introduction of the M4 carbine, it was found that the shorter barrel length of 14.5 inches also harms the reliability, as the gas port is located closer to the chamber than the gas port of the standard ...