20rd 9mm Fits Glock 17/19/26 Black Steel

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. Features : - 20-Round Magazine - For Glock 17/19/26 9MM Pistols - Magazine Body Constructed of a Proprietary Dupont Zytel Based Polymer - Magazine Body Has Full Length Steel Internal Insert Stamped and Welded Like The Factory Magazine - Injection Molded Magazine Follower - Spring is Made From Heat Treated Chrome Silicon Wire - Made in the U.S.A.