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]

Mar 31, 2020 · The M21 is a classic sniper rifle built during, and for, the Vietnam war where it served with great distinction. We provide a history of the XM21 and M21 system here.

Feb 29, 2024 · The M21 is an important rifle to study when understanding the history of American Snipers. Like the Marine’s M40, the M21 was developed at the height of sniper development.

The M21 mortar motor carriage (MMC) was a self-propelled artillery mount on a half-track chassis used by the United States Army during World War II. It was equipped with an 81 mm M1 mortar and an air-cooled M2 Browning machine gun.

Sep 12, 2019 · The M21 was developed during Vietnam and remained the standard US Army sniper rifle until replaced by the bolt-action M24 in 1988. The M21 sniper rifle itself though was little more than a M14 built to National Match specifications topped with a scope.

The M21 is a very pratical sniper weapon maintaining acceptable accuracy out to about 700 meters. Besides the problem that it is semi-auto and sends brass flying, the M21 was, and still is, a very capable military sniper rifle.

Jan 4, 2021 · After extensive testing of competing platforms, in 1988 the Army formally adopted the bolt-action Remington M24 Sniper Weapon System (SWS) to replace the M21 as its official sniper rifle.

The M21 is accurized IAW United States Army Marksmanship Training Unit specifications and has the same basic design and operation as the standard M14 rifle (FM 23-8), except for specially selected and hand-fitted parts.

Jul 7, 2011 · It was the primary Army sniper rifle of the Vietnam war and remained standard until replaced by the bolt-action M24 Sniper Weapon System beginning in 1988. The M21 was accurate to 750 yards...

Dec 23, 2018 · The M21 Sniper Weapon System (SWS) is the semi-automatic sniper rifle adaptation of the M14 rifle. It is chambered for the 7.62×51mm NATO cartridge and 7.62×54mmR for Vietnamese and Chinese modified version, as well .30-06 for rare version.