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The Armalite AR-15 is the parent of a variety of Colt AR-15 and M16 rifle variants. History After World War II, the United States military started looking for a single automatic rifle to replace the M1 Garand , M1/M2 Carbines , M1918 Browning Automatic Rifle , M3 "Grease Gun" and Thompson submachine gun .
AR-15 and other small arms Eugene Morrison Stoner (November 22, 1922 – April 24, 1997) was an American machinist and firearms designer who is most associated with the development of the ArmaLite AR-15 rifle that was redesigned and modified by Colt's Patent Firearm Company for the United States military as the M16 rifle .
Weapons patterned on the original ArmaLite AR-15 design have been produced by numerous manufacturers and have been used by nations around the world, some of which created their own variations. The tables here are split into a variety of categories and provide an overview of different subtypes.
The AR-15 uses an L-type flip, aperture rear sight and it is adjustable with two settings, 0 to 300 meters and 300 to 400 meters. [16] The front sight is a post adjustable for elevation. The rear sight can be adjusted for windage. The sights can be adjusted with a bullet tip or pointed tool. The AR-15 can also mount a scope on the carrying handle.
Rifles styled like the AR-15 come in many sizes and have many options, depending on the manufacturer. The lower receiver, without the receiver extension, rear takedown pin, and buttstock, is shown at bottom. An AR-15–style rifle is a lightweight semi-automatic rifle based on or similar to the Colt AR-15 design.
As was Johnson's practice, he gave all of his weapons a "pet" nickname. Johnson christened his semi-automatic rifle Betsy and the Light Machine Gun Emma. Melvin Johnson continued to develop small arms. He worked with ArmaLite and Colt's Manufacturing Company as an advocate for the AR-15. The AR-15 used a similar bolt design to the M1941 Johnson ...
A new larger approximately 0.2 in (5.08 mm) diameter aperture, marked '0-2' and featuring a windage setting index mark, offers a larger field of view during battle conditions and is used as a ghost ring for quick target engagement and during limited visibility. When flipped down, the engraved windage mark on top of the '0-2' aperture ring shows ...
Bushmaster Dissipator Model XM-15 rifle with aftermarket handguards The Bushmaster XM-15 used by the D.C. snipers during their attacks in October 2002. 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]