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.Frame Finish: BlackAction: DA/SACaliber: 45 ACPBarrel Length: 3.78"Capacity: 8+1Safety: DecockerGrips: Black PolymerSight Configuration: NightSlide Description: Serrated