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.
Magazine upper tower has full length steel internal insert stamped and welded like the factory magazine
50-round drum magazine
Fits the Smith & Wesson® 5900 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
Manufacturer Part #
A leader is the man who has the ability to get other people to do what they don't want to do, and like it.
- Harry S. Truman
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