The Mossberg 500 Retrograde in the 26-inch field configuration with walnut stock and forend. Blued finish and bead sight. Combines modern pump-action reliability with the classic look of mid-20th-century American shotguns. Type: Pump Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 5 Year introduced: 2018, USA Weight: 7.25 oz Overall length: 46" Status: Active Intended use: Field, Hunting, Collector