Calibers: 40 S&W, 45 ACP. Capacities: 40 S&W, 8-round magazine; 45 ACP, 9 rounds. Barrel: 4.5”. Weight: 32 oz. Length: 7.72” overall. Sights: Adjustable 3-dot. Features: Polymer frames, offered in black or several camo finishes, last round lock-open, grip-mounted magazine release, magazine disconnect safety, integrated accessory rail, trigger lock. Introduced 2002. Made in USA by MKS Supply, Inc. Values are for the JCP40; add 7% for the JCP 45.