Kahr's P45 pistol operates with a trigger cocking DAO,lock breech with "Browning-type" recoil lug and a passive striker block with no magazine disconnect. It has a stainless steel slide, polygonal rifled barrel, polymer frame and grip. This model has a 3.5" barrel, black frame and textured grip, matte stainless steel slide, Tritium night sights, and comes with three 6-round magazines.