Calibers: .40 S&W. Capacity: 15-round (.40 S&W) magazine. Barrel: 4.25" or 5". Grips: Four interchangeable palm-swell inserts. Sights: Fixed, fiber-optic front and rear. Length: 8.5" overall. Weight: 23 oz. unloaded. Finish: Black Armornite. Features: Accessory rail, reversible magazine release, ported barrel and slide and tuned action with audible trigger reset.