POF Revolution in .308 Win with 16.5-inch barrel and POF's short-stroke piston system on an AR-15-sized receiver. Innovative design reducing weight versus standard AR-10. Type: Semi-Auto Rifle Action: Semi-Automatic Caliber: .308 Winchester Capacity: 20 Year introduced: 2017, USA Weight: 92 oz Overall length: 34" Status: Active Intended use: Duty/Patrol