Glock Magazine Speed Loader for G36 Single Stack .45 Auto (.45 ACP) Pistol Only - Model 2376 Glock Factory OEM (Bulk Packaged) Made of Durable Glock Polymer Compatible Glock Magazines: Works with magazines for the Glock G36 Single Stack .45 Auto (.45 ACP) only IMPORTANT NOTE: This item works with magazines for the Glock model G36 Single Stack .45 Auto pistol only. It is NOT for use with any other Glock .45 caliber magazine.