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 383A, Series 95, Thunder 380, and Firestorm .380 ACP PistolsMagazine Body Constructed of Heat Treated Steel with Nickel Plated FinishInjection Molded Magazine FollowerMagazine Spring Formed From Heat Treated Music WireDoes Not Fit Bersa 383 Or 383DaMade in the U.S.A.