ProMag Industries Magazine, 9MM, 17 Rounds, Fits Taurus PT 111, Steel Construction, Blued Finish, Black TAU-A10 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.