The Mossberg 590M Shockwave Mag-Fed 12 Gauge Pump-Action Shotgun is a pump-action, magazine-fed shotgun with a 10+1-round capacity. The heavy-walled barrel comes with a heat shield, and the firearm features a synthetic stock and an Accu-choke system. Ghost ring sight base. Mossberg 590M Shockwave Mag-Fed 12 Gauge Pump-Action Shotgun - Shotgun Manual at Academy Sports
