Caliber: 9mm. Capacity: 15-round magazine. Barrel: 3.7”. Grip: Textured polymer. Sights: Fixed, Tritium/Luminescent front, Tactical Rack U-Notch rear. Length: 6.6” overall. Weight: 21 oz. unloaded. Finish: Matte black or Desert FDE. Features: Dual captive recoil spring w/ full-length guide rod. Values are for the standard model; add 4% for the OSP with Optical Sight mount; add 9% for the Comp model.