Caliber: 9mm, 38 Super, 40 S&W, 10mm Auto, 45 Auto. Capacity: 17-round (9mm) magazine. Barrel: 4.5”. Sights: Adj. rear, fiber-optic front or optics-ready. Features: Semi-automatic, double-action/single-action, small or large steel frame, full-length railed dustcover, blue finish, Picatinny rail, wood grips.