Global Ordnance Glock .45 ACP 26 Round Pistol Magazine Black GO-GLK45-26-BLK-26RD. These magazines have a hardened steel insert which is encased in a high tech polymer (which is fully metal lined). The polymer coating protects the magazine and prevents deformation even when dropped from great heights. Specifications for Global Ordnance Glock .45 ACP 26 Round Pistol Magazine: Manufacturer: Global Ordnance Gun Make: Glock Gun Model: Glock 45 Caliber: .45 ACP Magazine Capacity: 26 Round Color: Black Quantity: 1 Fabric/Material: Polymer Package Contents: Global Ordnance Glock .45 ACP 26 Round Pistol Magazine What firearm models does the manufacturer say Global Ordnance Glock .45 ACP 26 Round Pistol Magazine is compatible with? The manufacturer says that Global Ordnance Glock .45 ACP 26 Round Pistol Magazine is compatible with Glock 45Global Ordnance GO-GLK45-26-BLK-26RD: Glock .45 ACP 26 Round Pistol Magazine Black