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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 allow ...
The AR-15's most distinctive ergonomic feature is the carrying handle and rear sight assembly on top of the receiver. This is a by-product of the original ArmaLite design, where the carry handle served to protect the charging handle. [14] As the line of sight is 2.5 in (63.5 mm) over the bore, the AR-15 has an inherent parallax problem. At ...
The AR-10 is slightly larger and heavier than the AR-15. It was originally designed to chamber the military 7.62x51 NATO cartridge (also .308), which has a COAL of 2.800" (71.12mm) 45 Raptor , uses the standard 7.62 NATO case, cut to a length of 1.800" from 2.015", resulting in a straight-wall cartridge, neck is sized to 0.452".
The standard XM-15 has a forged 7075T6 aircraft-grade aluminum upper and lower receiver. Barrels of XM-15 firearms have a heavy profile and are hard chrome-lined 4150 alloy steel or 416 stainless steel. [2] [4] In Bushmaster's 2016 sales brochure, all new-production XM-15s are stated to be supplied with a 4150 steel barrel. [5]
Charging handle being pulled on an M2 machine gun. The cocking handle, also known as charging handle or bolt handle, is a device on a firearm which, when manipulated, results in the bolt being pulled to the rear, putting the hammer/striker into a spring-loaded ("cocked") "ready and set" position, allowing the operator to open the breech and eject any spent/unwanted cartridge/shell from the ...
An AR-15–style rifle is a lightweight semi-automatic rifle based on or similar to the Colt AR-15 design. The Colt model removed the selective fire feature of its predecessor, the original ArmaLite AR-15, which is a scaled-down derivative of the AR-10 design (by Eugene Stoner). It is closely related to the military M16 rifle.
381 ft⋅lbf (517 J) Test barrel length: 22.75" rifle (higher velocity) and 5.0" pistol (lower velocity) The .22 TCM or 22TCM (.22, Tuason, Craig, Micromagnum) is a proprietary bottle-necked rimless cartridge created from a 5.56mm NATO / 223 Rem parent case. It was developed by custom gunsmith Fred Craig and Martin Tuason, President of Rock ...
A STANAG magazine [1] [2] or NATO magazine is a type of detachable firearm magazine proposed by NATO in October 1980. [3] Shortly after NATO's acceptance of the 5.56×45mm NATO rifle cartridge, Draft Standardization Agreement ( STANAG ) 4179 was proposed in order to allow NATO members to easily share rifle ammunition and magazines down to the ...