ProMag Smith & Wesson 5900 9MM 50-Round Drum Magazine

The ProMag® Smith & Wesson® 5900 9MM 50-Round Drum Magazine is a high-capacity drum mag, constructed of a durable DuPont™ Zytel® polymer drum housing for lasting performance and durability, while the steel upper ensures a factory-like fit for optimal performance. Plus, a heat-treated stainless steel wire spring eliminates binding, ensuring the injection-molded polymer follower operates flawlessly for reliable feeding. Made in USA.