The Mossberg 500 Field/Deer Combo features dual extractors, positive steel to steel lockup, twin action bars, and an anti-jam elevator ensure smooth operation. The top-mounted safety provides for ambidextrous operation. This 20 gauge 3 shotgun combo comes with two barrels - a vent rib ported field barrel with dual beads and Accu-Set choke, and a ported fully rifled slug barrel with adjustable iron sights for deer. The metal and synthetic stock is finished in Mossy Oak Break-Up Country camouflage.