This new Benelli M4 Tactical shotgun fires the 12 gauge shell. It has an 18 1/2" barrel with an overall matte black finish. This semi-auto shotgun has a flat top picatinny receiver rail, rear ghost ring sight, and a rubber pistol grip, and a collapsible stock. It comes with a removable choke tube, manual, and box. This Benelli holds 7 rounds and is model #11721. THIS SHOTGUN IS ON THE LEO PROGRAM AND YOU MUST GIVE US A COPY OF YOUR LAW ENFORCEMENT ID TO PURCHASE IT!! IT IS FOR ACTIVE LAW ENFORCEMENT AND SECURITY GUARDS WITH PROPER CREDENTIALS!!!