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.Specifications and Features:17-round magazineTaurus PT111/G2/G3 9mm PistolMagazine body constructed of heat treated steel with black oxide finishInjection molded magazine followerMagazine spring formed from heat treated chrome silicone wireSteelBluedMade in the USAFits:Taurus PT111/G2/G3 9mm Pistol