Rapid Engagement Precision Rifle in .308 Win with 16-inch or 20-inch barrel. LWRC's short-stroke piston AR-10 for precision and tactical use. Type: Rifle Action: Semi-Automatic Caliber: .308 Winchester / 7.62x51mm NATO Capacity: 20 Year introduced: 2013, USA Weight: 192 oz Overall length: 36.5" Status: Active Intended use: Precision Shooting, Tactical, Hunting