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.

Dec 23, 2018 · 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.

Jun 16, 2018 · Notable series variants as part of the Rock Island Arsenal M21 Sniper Weapon System (SWS) Semi-Automatic Sniper Rifle family line. M1A - Civilian version of the US military M14 rifle. M14 - Base selective-fire operation rifle; 7.62x51mm NATO caliber; based upon World War 2-era M1 Garand rifle.

The M21 is a sniper rifle that was based on the M14. It is a converted National Match rifle that has been fitted with a 3-9x scope and fires match grade ammunition. It was the US Army standard sniper rifle until the introduction of the M24 SWS.

Feb 29, 2024 · The M21 went up against the M40A1 and other commercially available rifles. The rifle held its own, but in 1988, after a much longer than expected service life, the M21 was replaced by the M24 bolt action rifle (a similar rifle to the Marine’s M40A1).

Mar 31, 2020 · The M21 was tested against the M40A1, M82, AR10, and some others and the M21 more than held its own and the Army elected to hold on to it as is. Once the official Sniper program was adopted by the Army in 1988, the M21 was replaced by a new bolt action sniper rifle known as the M24.

Jun 11, 2006 · Sub-variants include the M21, "Cowboy's Companion", Hunter, Models D/M, Paratrooper, Sharpshooter, and Sporter. - Romanian: Typically nearly identical to the late Russian model. - Yugoslavian M59: Barrel is not chrome-lined.

Jan 4, 2021 · Summarizing, despite the M14’s eventual obsolesce in favor of newer weapon systems and related technology, the history of the various Army, Navy, and USMC precision M14 rifle variants offer an interesting history of the platform in the post-M21 era.

Dec 6, 2017 · Notably, each of these variants utilized fiberglass stocks in an effort to improve durability and overall performance relative to the original wood-stocked M21 rifle platform. U.S. Army Special Forces Sniper Rifle Development (XM25 and M25)

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.