Its solid, durable steel construction holds up to 20 rounds of .45 ACP, with witness holes on the first 10 rounds. This 4595TS magazine features a black, anti-tilt polymer. Also, this Redball Sports magazine provides reliable feeding with its anti-fatigue spring and steel feed lips. Overall, a must have magazine for your Hi-Point Firearms Carbine 4595TS. Pick up a few from The Mag Shack.