Heckler & Koch Pistol Magazine USP9 Expert 9mm Luger 18 Round Translucent 18. This item can be used with or without the jet funnel mag well installed. Please Note: The magazine will extend below the bottom of the mag well on a standard USP unless you have the jet funnel kit installed to have the mags fit flush. THESE MAGS ARE NOT LEO MARKED AS THEY ARE FACTORY FRESH MAGAZINES AND HK NO LONGER MARKS THEM LEO RESTRICTED. Specifications for Heckler & Koch USP9 Expert 9mm Luger 18 Round Pistol Magazine: Manufacturer: Heckler & Koch Gun Make: Heckler & Koch Gun Model: Heckler & Koch USP 9mm Luger Caliber: 9mm Luger Magazine Capacity: 18 Round Color: White Quantity: 1 Fabric/Material: Stainless Steel Package Contents: Heckler & Koch USP9 Expert 9mm Luger 18 Round Pistol Magazine What firearm models does the manufacturer say Heckler & Koch USP9 Expert 9mm Luger 18 Round Pistol Magazine is compatible with? The manufacturer says that Heckler & Koch USP9 Expert 9mm Luger 18 Round Pistol Magazine is compatible with Heckler & Koch USP 9mm LugerHeckler & Koch 50248613: Pistol Magazine USP9 Expert 9mm Luger 18 Round Translucent 18