Heckler & Koch Pistol Magazine USP9 9mm Luger 15 Round Black 15. Specifications for Heckler & Koch USP9 9mm Luger 15 Round Pistol Magazine: Manufacturer: Heckler & Koch Gun Make: Heckler & Koch Gun Model: Heckler & Koch USP 9mm Luger Caliber: 9mm Luger Magazine Capacity: 15 Round Color: Black Quantity: 1 Fabric/Material: Stainless Steel Package Contents: Heckler & Koch USP9 9mm Luger 15 Round Pistol Magazine What firearm models does the manufacturer say Heckler & Koch USP9 9mm Luger 15 Round Pistol Magazine is compatible with? The manufacturer says that Heckler & Koch USP9 9mm Luger 15 Round Pistol Magazine is compatible with Heckler & Koch USP 9mm LugerHeckler & Koch 50248609: Pistol Magazine USP9 9mm Luger 15 Round Black 15