This new Mossberg 500 shotgun fires the 12 gauge round. It has an 18 1/2" (Cyl) barrel with an overall matte black finish. This pump action shotgun has a factory installed door breacher and forearm sling. The door breacher is slotted allowing the shotgun to be placed against a door & fired. This pistol grip shotgun holds 6 rounds and comes with box, manual, and lock.