ProMag Industries Drum Magazine, 45 ACP, 40 Rounds, Black, Fits Hi-Point Carbine 4595TS DRM-A18 ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturer's defects. Magazine springs are precision wound using heat-treated chrome silicon wire and each and every step of the assembly process is checked and double checked in order to maintain the same consistent level of quality.