Mossberg 88, Pump Action, 12 Gauge, 3 Chamber, 24 Fully-Rifled Bore, Blue Finish, Synthetic Stock, Adjustable Rifle Sights, 5Rd 31044 The working man's shotgun, the Maverick line of pump-action and over/under shotguns are proven performers - Equally at home in the woods, upland fields, or on home security duty.