Caliber: 22 LR. Capacity: 10- or 16-round magazine. Barrel: 5.25". Grip: Textured polymer, wraparound. Sights: Adjustable rear, optics-ready. Overall Length: 8.21". Weight: 17.3 oz. unloaded. Finish: Matte black. Features: Red-dot optics-ready with mounting plates. The compact model has a 3.06". barrel. The Steel Challenge Ready (SCR) model has a compensator. Competition models are optics-ready.