Heckler & Koch Pistol Magazine HK45 .45 Cal 10 Rounds Black 10. These Pistol Magazines made by Heckler & Koch are factory OEM magazines so you know you're getting a high quality product. The Heckler & Koch HK45 10-Round Spare Magazine fits HK45/HK45 Tactical pistols but these do not fit the USP45 full-size handgun. Keep a Heckler & Koch HK45 10RD Magazine nearby to expand your ammunition loadout. Specifications for Heckler & Koch HK45 .45 Cal 10 Round Pistol Magazine: Manufacturer: Heckler & Koch Gun Make: Heckler & Koch Gun Model: Heckler & Koch HK45 Caliber: .45 ACP Magazine Capacity: 10 Round Color: Black Quantity: 1 Fabric/Material: Steel Package Contents: Heckler & Koch HK45 .45 Cal 10 Round Pistol Magazine What firearm models does the manufacturer say Heckler & Koch HK45 .45 Cal 10 Round Pistol Magazine is compatible with? The manufacturer suggests that Heckler & Koch HK45 .45 Cal 10 Round Pistol Magazine is compatible with Heckler & Koch HK45Heckler & Koch 50248619: Pistol Magazine HK45 .45 Cal 10 Rounds Black 10