Stevens, 320 Field Grade, Pump Action Shotgun, 20 Gauge, 3" Chamber, 26" Vent Rib Barrel, Matte Finish, Black, Synthetic Stock, Bead Sight, Rotary Bolt, Dual Slide Bars, Right Hand, 5 Rounds, USED, UNFIRED! FACTORY BOX Bottom-Loading Tube Magazine Dual Slide-Bars Rotary Bolt Product Description Model 320 shotguns feature a smooth, reliable pump action, proven rotary bolt and dual slide-bars. Whether you're shooting trap or upland birds, you can always count on reliable performance from the Stevens 320.