Physical
The physical qualities of the Rock Island Arsenal M21 Sniper Weapon System (SWS). Information presented is strictly for general reference and should not be misconstrued as useful for hardware restoration or operation.
1,117 mm
43.98 in
O/A Length
560 mm
22.05 in
Barrel Length
8.55 lb
3.88 kg
Weight
Gas-Operated; Rotating Bolt
Action
7.62x51mm NATO
Caliber(s)
5-, 10, or 20-round detachable box magazine
Feed
Hooded Ajustable Aperature Rear; Front Blade; Telescopic Sights
Sights