A KimPro Tac-Mag maximizes the performance of any 1911 pistol. Premium features include Teflon-coated stainless steel follower, Rocket wire spring and large round-count recognition holes. An exclusive quick-change floorplate permits the immediate attachment of one of three included bases – a conventional stainless steel plate, slim bumper pad for carrying or a thick bumper pad for competition or use with extended magazine wells.