This new Mossberg 500 Chainsaw ZMB shotgun fires the 12 gauge round. It has an 18 1/2" breacher barrel with an overall matte black finish. This pump action shotgun has a chainsaw styled handle affixed to the pump slide. This shotgun comes with a factory installed door breacher, a tri-rail set up on the forearm, a UTG flashlight, and a red dot laser. On the right side of the receiver is "ZMB" in green. This pistol grip shotgun holds 5 rounds. It comes with box, manual, and lock.