Glock Magazine Speed Loader for 9mm/.40/.357/.380 Auto/.45 GAP Mags Glock Factory OEM (Bulk Packaged) Made of Durable Glock Polymer Compatible Glock Magazine Calibers: 9mm (9 x 19) / .40 / .357 / .380 Auto & .45 GAP Works with Magazines for the following Glock pistols: G17, G19, G22, G23, G25, G26, G27, G28, G31, G32, G33, G34, G35, G37, G38 & G39 IMPORTANT NOTE: THis model is "NOT" for use with Glock .45 Auto, G42 Single Stack .380 Auto or 10mm Magazines Color black