ProMag Sig P226 .40 S&W 20 Round Magazine, Blued - SIG-A4

ProMag magazines are Made in U.S.A 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:Heat treated chrome silicon wire springManufactured and assembled in the USAEasy loadingRugged construction