Calibers: 9mm or 45 ACP. Capacity: 7-round (45 ACP) or 9-round (9mm) magazine. Barrel: 4.2". Grips: Checkered rubber. Sights: Ramp front, low-profile rear. Finish: Cerakote black or matte stainless. Features: Series 70 mechanism. Models with accessory rail. Commander size.