Caliber: 22 LR, Capacity: 10-round magazine. Barrel: 4.25”. Weight: 16 oz. Length: 7.0625” overall. Grips: Brown composite. Sights: Fixed. Features: Slide is machined aluminum with alloy frame and matte blue finish. Blow-back action and single action trigger with manual thumb and grip safeties. Works, feels and functions just like a full-size 1911.