Calibers: 9mm, 10mm, or 45 ACP. Capacity: 7-round (45 ACP) or 9-round (9mm) magazine. Barrel: 4.25" or 5". Grips: Checkered wood. Sights: Ramp front, low-profile rear. Length: 8.5". Weight: 39.5 oz. unloaded. Finish: Hard chrome or blued. Values below are for the Government model; add 8% for the Commander and 28% for the Trophy variants.