Pro Mag Springfield Hellcat Magazine Features ProMag magazines are designed utilizing both traditional stamping and welding of heat-treated high carbon steel and modern precision injection molding of mil-spec polymer compounds. Every ProMag Springfield Hellcat Magazine is backed by a lifetime guarantee against manufacturer s defects. Made in USA Pro Mag Springfield Hellcat Magazine Specifications 32-round magazine Fits Springfield Hellcat 9mm pistols Magazine body constructed of heat treated steel with black oxide finish Injection molded magazine follower Magazine spring formed from heat treated chrome silicone wire Made in USA