PROMAG S&W SD40 40S&W 50RD DRM BLK
ProMag, Magazine, Drum, 40 S&W, 50 Rounds, Fits Smith & Wesson SD40, Polymer Construction, Black
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.