The 870 DM (Detachable Magazine) is a significant departure from the standard tube-fed 870, using a detachable box magazine that allows faster reloading. Available in 6-round magazine configuration. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 5 Year introduced: 2017, USA Weight: 80 oz Overall length: 38.5" Status: Active Intended use: Home Defense, Law Enforcement