Calibers: 9mm. Capacity: 10-,15-, 17-, or 20-round magazine. Barrel: 4.09” or 4.49”. Weight: 25.7, 31.2 oz. Length: 7.32”, 8.04” overall. Sights: Fixed square notch rear sight with contrast points, optics-ready. Features: Striker-fired system. Ergonomic grip design with interchangeable backstraps and side panels. VP9A1 F is full-size, VP9A1 K is compact. Some models equipped with Holosun SCS optic (add 37%). Made in USA.