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]

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.

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.

Dec 6, 2017 · 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 ...

Dec 25, 2020 · These are basically replicas of US Army M14 sniper and DMR/SDM rifles, beginning in 1967 and used until 1988 when the M21 rifles were officially designated as obsolete - but despite Big Army's decision - a few M14s were quietly developed as 'M21 Product Improved' versions by the 10th Special Forces Group in the late 1980s/early 1990s...

Jun 16, 2018 · Page details technical specifications, development, and operational history of the Rock Island Arsenal M21 Sniper Weapon System (SWS) Semi-Automatic Sniper Rifle including pictures.

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.

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.

Without the aid of references state the hydrodynamic principle that enables the M-21 arresting gear system to arrest an aircraft.

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 (690...