M21 Sniper Weapon System
Country of origin
United States
United States
ManufacturerRock Island Arsenal, Springfield Armory
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. The M21 uses a commercially procured 3–9× variable power telescopic sight, modified for use with the sniper rifle. It is chambered for the 7.62×51mm NATO cartridge.
