The Mossberg 590A1 Retrograde combines military-spec 590A1 internals with traditional wood furniture. American walnut stock and forend, blued barrel, parkerized receiver. Ghost ring rear sight with bead front. The classic look with zero-compromise durability. Type: Pump Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 6 Year introduced: 2018, USA Weight: 7.25 oz Overall length: 38.5" Status: Active Military use: Yes Intended use: Tactical, Military, Home Defense, Collector