Caliber: 9mm or 40 S&W. Capacity: 20-round magazine. Barrel: 5.28 in. Grip: Thin textured aluminum. Sights: Serrated fiber-optic front, serrated fixed rear. Length: 8.86 in. overall. Weight: 48.5 oz. unloaded. Finish: Blued. Features: Full dust cover, competition-ready, improved ergonomics.