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United States Marine Corps Weapons & Equipment

M82A1A .50 Caliber Special Application Scoped Rifle


Manufacturers: Barrett Firearms Manufacturing, Inc. and Unertl
Length: 57 inches (144.78 centimeters)
Barrel length: 29 inches (73.67 cm)
Weight: 32.5 pounds (14.75 kilograms) (unloaded)
Bore diameter: 12.7mm (.50 Caliber)
Maximum effective range on equipment-sized targets: 1800 meters
Muzzle velocity: 2800 feet (854 meters) per second
Magazine capacity: 10 rounds
Unit Replacement Cost: $6,000

Features: The M82A1A is a semi-automatic, air cooled, box magazine fed rifle chambered for the .50 caliber, M2 Browning Machine Gun cartridge (.50 BMG or 12.7 x 99mm NATO). This rifle operates by means of the short recoil principle. The weapon system is comprised of the rifle (M82A1A) with a Unertl 10-power scope and an additional box magazine. The system comes packed in its own watertight, airtight carrying case with an air release valve for aircraft transportation and the requisite cleaning rod and brushes. The basic M82A1A rifle is equipped with bipod, muzzle brake, carrying handle, metallic sights, and 10-round box magazine. There is also a back pack for cross country transport and a bandolier for extra magazines is available.

Background: The M82A1A is designed to provide commanders the tactical option of employing snipers with an anti-materiel weapon to augment the present anti-personnel M40A1 7.62mm weapon. The rifle is manufactured by Barrett Firearms Manufacturing, Incorporated of Murfreesboro, Tennessee. The scope is manufactured by Unertl to match the trajectory of .50 caliber Raufoss Grade A (DODIC A606), which is the standard operational round.


Information and Photos Courtesy of United States Marine Corps

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