The HK USP (Universal Self-loading Pistol) is an accurate and ultra-reliable handgun. It features a fiber-reinforced polymer frame stiffened by stainless steel inserts; the control lever function can be switched from the left to the right side of the pistol for left-handed shooters; polygonal bore barrel; one-piece steel slide with contoured, extended release; bobbed hammer; universal mounting grooves and ambidextrous magazine release lever. It utilizes a narrow, full-hand grip frame with a choice of interchangeable extended or flush-fitting magazine floorplates. Includes three magazines.