THE AREX ZERO 1 T (TACTICAL) PISTOL complies with strict military standards for reliability and has passed extreme temperature, hostile environment, and drop tests. Ships with (2) 20-round mags, (4) plates for optics mounting, hard polymer case, cable padlock, operating manual.Caliber: 9mm Capacity: 20+1 Barrel Length: 4.9'' Action: Single/Double Frame: Aluminum Grip: Polymer