The Mossberg 590 Retrograde revives the classic walnut stock and corn-cob forend of vintage 590 configurations on the modern 590 receiver. 20-inch barrel with bead sight, blued finish, and military-style walnut furniture. 8+1 capacity. Type: Pump Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 8 Year introduced: 2018, USA Weight: 7.25 oz Overall length: 41" Status: Active Military use: Yes Intended use: Tactical, Home Defense, Collector