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.

M21狙击手武器系统，被称为M21 Sniper Weapon System，简称为M21 SWS，是一支半自动狙击步枪，是在M14自动步枪的基础上改进研制的。M21狙击步枪1969年装备美军部队，越南战争后期成为美国陆军、海军和海军陆战队的通用狙击步枪。

2018年6月16日 · Page details technical specifications, development, and operational history of the Rock Island Arsenal M21 Sniper Weapon System (SWS) Semi-Automatic Sniper Rifle including pictures. The global defense reference actively compiled since 2003

2021年1月4日 · While it is well known that the original wooden-stocked M21 sniper rifle was officially replaced by the U.S. Army in 1988 with a bolt action sniper rifle — the following two decades illustrate that several product improved M21-based light sniper and/or DMR type rifles utilizing fiberglass stocks were developed and successfully deployed in ...

2017年12月6日 · Despite the formal adoption of bolt-action sniper rifles by the USMC (M40 variants) and the U.S. Army (M24), there continued to be a small scale, evolutionary development of various M14 sniper rifles by special operations units, most notably the U.S. Army Special Forces and U.S. Navy Special Warfare units, followed by the Marine Corps RTE/PWS ...

2018年12月23日 · The M21 Sniper Weapon System (SWS) is the semi-automatic sniper rifle version of the M14 rifle. It's chambered for the 7.62×51mm NATO cartridge and 7.62×54mmR for Vietnamese and Chinese modified versions, as well the rare .30-06 version.

2011年7月7日 · 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 (690...

2020年3月31日 · 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.

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. The United States Army wanted an accurate sniper rifle during the Vietnam War.

The M21 Long Range Match Douglas Barrel rifle is the end of the evolutionary line. Sporting an oversized custom glass-bedded walnut stock with an adjustable comb and match grade particulars like a tuned 4.5-lb. competition trigger and National Match recoil spring guide and gas cylinder, this rifle represents the very apex of precision rifle ...