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
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- 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
