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The M14 rifle, officially the United States Rifle, Caliber 7.62 mm, M14, is an American battle rifle chambered for the 7.62×51mm NATO cartridge.It became the standard-issue rifle for the U.S. military in 1957, replacing the M1 Garand rifle in service with the U.S. Army by 1958 and the U.S. Marine Corps by 1965; deliveries of service rifles to the U.S. Army began in 1959.
Barrel: A medium heavy barrel, 22” or an optional 18” length, of chrome moly 4140 steel; Rifling: A right-hand rate of twist of 1 in 10" with 4 lands and grooves. Stock: A USGI synthetic stock modified by Smith Enterprise with an attachable SEI cheekpiece. Optics: Leupold Mk4 Tactical × scopes.
The United States Marine Corps Designated Marksman Rifle (DMR, NSN 1005-01-458-6235; more formally the United States Rifle, Caliber 7.62 mm, M14, DMR) is a semi-automatic, gas-operated rifle chambered for the 7.62×51mm NATO cartridge. It is a modified version of the M14 rifle formerly used by the United States Marine Corps.
The barrel on the Mk 12 Special Purpose Rifle, the current rifle used by the squad designated marksman in the USMC, is only 500 mm (18 in) long - 50 mm (2 in) shorter than the barrel on the standard rifle. This is no longer the case, however, as the M4 carbine has a barrel length of only 370 mm (14.5 in).
The M21 sniper weapon system (SWS) in the US Army is a national match grade M14 rifle, selected for accuracy, and renamed the M21 rifle. [7] The M21 uses a commercially procured 3–9× variable power telescopic sight, modified for use with the sniper rifle. [8] It is chambered for the 7.62×51mm NATO cartridge.
The Mk 14 Enhanced Battle Rifle (EBR) is an American military selective fire battle rifle, and a designated marksman rifle chambered for the 7.62×51mm NATO cartridge.It is a variant of the M14 battle rifle and was originally built for use with units of United States Special Operations Command, such as the United States Navy SEALs, Delta Force, and task specific Green Berets ODA teams/units.
The M4's 14.5-in. barrel length reduces muzzle velocity to about 2900 ft/s. [151] This reduced wounding ability is one reason that, despite the Army's transition to short-barrel M4s, the Marine Corps has decided to continue using the M16A4 with its 20-inch barrel as the 5.56×45mm M855 is largely dependent upon high velocity in order to wound ...
It is a modified and accurized version of the M14 rifle used by the United States military, similar to the Mk 14 Enhanced Battle Rifle. It is based on the United States Marine Corps Designated Marksman Rifle (DMR), which it replaced. It is manufactured by Sage International and maintained by the USMC's Precision Weapons Section. [1]