This used Maverick 88 shotguns fires the 12 gauge shell. It has an 18" barrel with an overall black finish. This pump action shotgun has the Sidewinder Venom magazine fed system installed on it. This shotgun has a forearm that has predrilled areas for a post to be screwed into for allowing easier pumping of the gun. (4 different positions) This very cool shotgun also has a Spec Ops stock kit from Knoxx Industries including pistol grip and collapsible stock. This shotgun comes with 2 rotary 10 round drum magazines.