Kimber KimPro Tac-Mag Stainless Custom/Pro/Ultra+ 45 Auto (ACP) Handgun Magazine - 8 Rounds - Designed for full-size Kimber models (Custom, Pro, Ultra+), this Tac-Mag features a Teflon-coated stainless steel follower, Rocket wire spring and an exclusive quick-change floorplate with three included bases: a conventional stainless steel plate, slim bumper pad and a thick bumper pad for competition or use with extended magazine wells. Genuine Kimber Factory Magazine