The Rock River Arms LAR-300 is a purpose-built .300 Blackout carbine featuring RRA's two-stage National Match trigger, A2 stock, and 16-inch chrome-lined barrel. RRA's focus on trigger quality distinguishes this from comparable .300 BLK offerings. Type: Rifle Action: Semi-Automatic Caliber: .300 Blackout Capacity: 30 Year introduced: 2013, USA Weight: 72 oz Overall length: 32.5" Status: Active Intended use: Home Defense, Hunting, Suppressor Host