POF's Revolution is the world's first short-stroke piston-driven .308 AR to fit in an AR-15-sized lower receiver. Using a proprietary 7.62 bolt carrier in a mil-spec AR-15 lower, the Revolution bridges the gap between the AR-15 and AR-10 platforms in size and weight. Type: Rifle Action: Semi-Automatic Caliber: .308 Win Capacity: 20 Year introduced: 2016, USA Weight: 112 oz Overall length: 34.5" Status: Active Intended use: Law Enforcement, Service, Hunting, Long Range