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Some Portuguese-model AR-10s were fitted with A.I.-modified upper receivers in order to mount 3× or 3.6× telescopic sights. [38] These rifles were used by marksmen accompanying small patrols to eliminate individual enemies at extended ranges in open country. [39] Other AR-10s were used by the paratroopers in a secondary role to launch rifle ...
375 Stalker, Standard military 7.62x51 cases (also .308), length is trimmed, shoulder is reformed, neck is expanded to .375 375 SOCOM, Proprietary. The case head and rim dimensions exactly match the military 7.62x51 (also .308), however, the case body is slightly wider and has more taper. 400 AR, Wildcat. The parent is the 7.35×51mm Carcano ...
An Armalite rifle (AR) is one of a series of rifles the ArmaLite company made or, more generally, a rifle based on one of its designs, such as the ArmaLite AR-15 rifle. Eugene Stoner , Jacques Michault, Melvin Johnson , Robert Fremont, and Jim Sullivan are some of the designers credited with their development. [ 1 ]
The final prototype, featured an upper and lower receiver with the now-familiar hinge and takedown pins, and the charging handle was on top of the receiver placed inside of the carry handle. [27] For a 1950s 7.62×51mm NATO rifle, the AR-10 was incredibly lightweight at only 6.85 pounds (3.11 kilograms) empty. [ 27 ]
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 HOWA Type 89 is an AR-18, modernized to fit the needs of the Japan Self-Defense Forces. The Singapore SAR-88 and Taiwanese T-91 utilize a complete AR-18 upper receiver. Early British SA80 prototypes featured ArmaLite produced AR-18 upper receivers mated to a prototype stamped metal bullpup lower receiver. [37]
[2] [3] SPR initially stood for Special Purpose Receiver as it referred to an add-on upper receiver assembly (part of the proposed SOPMOD upgrades), [4] [5] but that nomenclature changed to Special Purpose Rifle as the weapon became a stand-alone weapons system. [6] The SPR was eventually type-classified by the U.S. Navy as the Mk 12. [6]
The receiver is modified in octagonal form, drilled, and slotted for a scope rail. The bolt is a dual front locking lug. There is a Shilen standard single-stage trigger with approximately 5 lb. pull. A muzzle brake is optional on the .308 Win. and .300 Win. Mag models; it is standard on the .338 Lapua model.