ProMag Ruger American 9mm 50-Round Drum Magazine

You can't get enough firepower, and the ProMag Ruger American 9mm 50-Round Drum Magazine is the perfect complement to any range day. This aftermarket drum magazine features a heat-treated stainless steel spring and an injection-molded polymer follower that provide smooth, reliable feeding so you can mag dump like a pro. The upper magazine tower features blue steel construction, while the body is constructed using proprietary DuPonteA(R) Zytel(TM) polymer construction to create the ultimate combination of strength and durability. This drum magazine is backed by ProMag's lifetime warranty. Order now! Made in USA.