Adams Arms P2 in pistol configuration with a 10.5-inch barrel, allowing NFA-exempt carry as a pistol. The piston system manages the high-pressure 10.5-inch gas cycle more cleanly than DI for suppressor-equipped pistol builds. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2015, USA Weight: 96 oz Overall length: 23.5" Status: Active Intended use: Home Defense, CQB, Suppressor Host