Description
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 magazine is backed by a lifetime guarantee against manufacturer’s defects. Made in USA
50-round drum magazine “Fits Sig Sauer Sig Pro 9mm pistol” “Magazine body constructed of a proprietary DuPont Zytel based polymer” “Blue steel upper magazine tower” “Injection molded magazine follower” “Magazine spring formed from heat treated stainless steel” “Made in USA”
