Calibers: 9mm, 10mm, or 45 ACP. Capacity: 7-round (45 ACP) or 9-round (9mm) magazine. Barrel: 3”, 4”, 4.25” or 5”. Grips: Checkered wood. Sights: Tritium front, serrated Rear, optics-ready. Length: 7.9” or 8.6” overall. Weight: 31 or 40 oz. unloaded. Finish: Black, coyote brown, tungsten gray. Some models are suppressor-ready.