Description: The Uzkon ZK-18 comes threaded for Beretta Mobile chokes. This shotgun is a 4+1 in the chamber capacity and can reliably shoot all 3" and 2 3/4" shotshells. This semi-auto features a Picatinny on top of the receiver to allow for all sorts of red dot and reflex sights, as well as a Pic rail under the foregrip for lights, lasers, and vertical grips. Known for having some of the best combat sights you can have on a shotgun, it comes standard with ghost-ring sights. Manufacturer/Importer: Uzkon/Pioneer Arms Model: ZK-18 Type: Shotgun Caliber: 12Ga Action: Semi Capacity: 5rnd Barrel Length: 18in Frame Material: Polymer Sights: Iron Sights