Dickinson LLC Commando Marine Tactical 12 Gauge Pump 3" 5+1 18.50" Stainless Steel Barrel & Receiver, Fixed Black Synthetic Stock Dickinson pump shotguns are built using a design that allows for superior strength, ease of operation and reduced weight. All Dickinson pump shotguns feature double slide bars and a convenient action release forward of the trigger guard that can be operated while wearing gloves. The barrel, fore-end and bolt can be easily removed as a unit to facilitate easy cleaning. These guns operate with superior smoothness whether firing light 2.75" ells or heavy 3" shells.