Glock Perfection OEM Magazine Speed Loader for 9mm / .40 / .357 / .45 G.A.P. Auto Handgun / Pistol Glock factory OEM Magazine Speed Loader (not for .45 ACP) Simple to use. Compatible Glock Magazine Calibers: 9mm / .40 / .357 & .45 GAP Made from rugged Glock plastic Maximize your time and at the range, spend less time loading and more time shooting.