The Remington 870 Police Magnum is the law enforcement configuration of the 870, featuring a heavier police-specification receiver, extended magazine tube, and 18-inch cylinder-bore barrel. It has been standard issue for law enforcement agencies across the United States. Type: Pump Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 6 Year introduced: 1950, USA Weight: 7.5 oz Overall length: 38.5" Status: Discontinued Intended use: Law Enforcement, Home Defense, Tactical