The Mossberg 590A1 Retrograde combines the full military-specification 590A1 action with a traditional American walnut stock and corn-cob forend, delivering classic aesthetics with uncompromising duty-grade construction. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 9 Year introduced: 2019, USA Weight: 8.25 oz Overall length: 41" Status: Active Intended use: Tactical/Collector