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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.
A longer barrel was fitted which, with new vz.21 shells, increased the range from 8,100 m to 9,900 m. Other minor improvements were also implemented such as a strengthened axle and camshaft along with modifications to other parts to work best with the new barrel and ordinance. 605 pieces were delivered to the Czechoslovak Army. [9]
Smith Enterprise was a major player in the M14 rifle modernization projects for various US military units which resulted in the development of the United States Navy Mark 14 Enhanced Battle Rifle. [12] [13] [14] The company's history included originally making forged receivers for M14 rifles and briefly switching to investment casting. [4]
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.
This is a list of United States Army fire control, and sighting material by supply catalog designation, or Standard Nomenclature List (SNL) group "F".The United States Army Ordnance Corps Supply Catalog used an alpha-numeric nomenclature system from about the mid-1920s to about 1958.
Folding-stock, shorter 440 mm (17.35 inch) barrel, paratrooper version, folding charging handle. This shorter version was requested by Belgian paratroopers. The upper receiver was not cut for a carry handle and the charging handle on the 50.63 was a folding model similar to the L1A1 rifle.
Barrels with an integral muzzle brake are often said to be ported. The concept of a muzzle brake was first introduced for artillery. It was a common feature on many anti-tank guns , especially those mounted on tanks , in order to reduce the area needed to take up the strokes of recoil and kickback.
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.