AR-10 lower with Sharps Bros' distinctive skeletal billet machining in .308 Win. Precision AR-10 platform with aggressive aesthetics. Type: Rifle Action: Semi-Automatic Caliber: .308 Winchester / 7.62x51mm NATO Capacity: 20 Year introduced: 2016, USA Weight: 176 oz Overall length: 37" Status: Active Intended use: Precision Shooting, Sport Shooting