The 590A1 Retrograde is a limited-production homage to the original military 590A1, featuring a traditional walnut stock, heat shield, and parkerized finish — pairing the proven mil-spec action with classic aesthetics. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 9 Year introduced: 2018, USA Weight: 224 oz Overall length: 41" Status: Active Military use: Yes Intended use: Military, Home Defense, Collector