The Tristar KRX tactical AR Shotgun is a 3", gas operated, box-fed, shotgun with true AR-Style controls. Removable choke system uses Beretta/Benelli Mobile Threads, includes extended tactical choke. Highly durable injection molded stock and forearm; full-length picatinni rail, removable carrying handle and bridge front sight. Rubber Recoil pad, swivel studs, two (5rd) magazines included and backed by a five-year warranty. Gas operated Semi-automatic. Bolt remains open after last round is fired. If magazine and chamber are both loaded, opening action will result in ejecting shell from chamber and cycling new shell from magazine into the chamber. The primary safety is located on the backside of the trigger guard. When engaged, the safety is designed to block the trigger, hammer lever and the hammer which makes the firing mechanism immobile.FeaturesBox-Fed 12gaFull-length Picatinni Rail along topRemovable Bridge Front Fiber Optic Sight5 Round Magazine (Two included) Chrome-lined ...