ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturers 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.Features :10-Round MagazineFits Taurus PT-911 9MM PistolMagazine Body Constructed of Heat Treated Steel with Black Oxide FinishInjection Molded Magazine FollowerMagazine Spring Formed From Heat Treated Chrome Silicone WireMade in The U.S.A.