The 870 Home Defense in 20 gauge with synthetic stock and 18-inch barrel. A lower-recoil defensive shotgun for users who find 12-gauge defensive loads excessive. Uses standard 870 action components sized for the 20-gauge shell. Type: Shotgun Action: Pump-Action Caliber: 20 Gauge Capacity: 4 Year introduced: 2003, USA Weight: 160 oz Overall length: 38" Status: Active Intended use: Home Defense