M21
The M-21 Sniper Weapon System is a [[semi-automatic]] sniper rifle used by the U.S. military. It is based on the [[m14|M-14]] and fires 7.62x51mm NATO ammunition from a 20-round box magazine. It's basically a match-grade M-14 with a [[scope]].

h4. See also

* [[Sniper rifle]]
* [[List of weapons]]

h4. External links

* Wikipedia: "M-21":http://en.wikipedia.org/wiki/M21_Sniper_Weapon_System
m-21