Heckler and Koch USP Magazine Features The Heckler and Koch USP Magazine is manufactured to HK s exacting standards ensuring a precise fit within the USP USP Tactical USP Elite and USP Expert magazine wells that maintains consistent 9mm Luger feeding reliability through sustained use. Steel construction with polymer coating provides the structural integrity and impact resistance needed for reliable feeding and long-term durability through repeated loading and unloading cycles without deformation or spring fatigue. As a factory HK component it delivers the fitment accuracy and reliability that aftermarket alternatives cannot replicate across the full USP family. The 18-round capacity gives USP owners a generous complement of rounds for range sessions competition and duty applications while the black polymer coated finish provides corrosion resistance and a clean factory-correct appearance. Whether used as a primary or spare this 18-round 9mm USP family magazine performs to HK s exacting standards straight out of the packaging. Heckler and Koch USP Magazine Specifications Manufacturer: Heckler and Koch Model: USP Magazine Caliber: 9mm Luger Capacity: 18 rounds Material: Steel with polymer coating Color: Black Firearm Fit: HK USP HK USP Tactical HK USP Elite HK USP Expert