Mossberg's entry into the AR-15 market with a 16-inch barrel and Mossberg-specific receiver. Features a free-float handguard and fixed A2-style stock. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2012, USA Weight: 6.9 oz Overall length: 36.5" Status: Active Intended use: Range, Home Defense