The Remington 870 DM (Detachable Magazine) replaces the traditional tube magazine with a proprietary detachable box magazine for faster tactical reloads. It accepts 6-round standard and extended magazines while retaining the full 870 action. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 6 Year introduced: 2017, USA Weight: 7.5 oz Overall length: 38.5" Status: Active Intended use: Tactical