Modular Ambidextrous Rifle System - Light with ambidextrous lower controls and 16-inch barrel. Adopted by multiple NATO partners as their service rifle. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2012, USA Weight: 128 oz Overall length: 34.5" Status: Active Intended use: Military, Tactical