Calibers: .40 S&W. Capacity: 15-round (.40 S&W) magazine. Barrel: 4.25" or 5". Grips: Four interchangeable palm-swell inserts. Sights: Fixed, tall 3-dot/C.O.R.E. optics-ready system. Length: 8.5" overall. Weight: 23 oz. unloaded. Finish: Black Armornite. Features: Accessory rail, reversible magazine release, oversized slide release, ported barrel and slide, and tuned action with audible trigger reset.