Piston-operated AR-pattern rifle. Used by Norwegian military, French GIGN, and JSOC. Killed Osama bin Laden. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2009, Germany Weight: 126.4 oz Overall length: 33.7" Status: Active Military use: Yes Intended use: home_defense, competition, hunting