Heckler and Koch USP40 Magazine Features The Heckler and Koch USP40 Magazine is manufactured to HK s exacting standards ensuring a precise fit within the USP40 full size magazine well that maintains consistent 40 S&W feeding reliability through sustained use. Factory-correct construction provides the structural integrity 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 on the USP40 platform. The standard floor plate keeps the magazine profile flush and snag-free for clean reliable insertion and removal in any condition. Whether used as a primary or spare this 40 S&W USP40 factory magazine performs to HK s exacting standards straight out of the packaging. Heckler and Koch USP40 Magazine Specifications Manufacturer: Heckler and Koch Model: USP40 Magazine Caliber: 40 S&W Capacity: 10 rounds Floor Plate: Standard Color: Black Firearm Fit: HK USP40 full size