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: BlackType: PistolAction: DA/SACaliber: 9mm LugerBarrel Length: 3.58"Capacity: 13+1Safety: Decocker/ManualGrips: Black PolymerSight Configuration: NightWeight: 27.2 ozFrame Material: PolymerBarrel Type: Polygonal RifledSlide Description: SerratedSight Style: NightBarrel Length Range: 3.00" to 3.99"Weight Range: 16.00 oz to 31.99 oz