The ProMag® Taurus® TH9 9mm 50-Round Drum Magazine is a high-capacity aftermarket magazine engineered to deliver exceptional reliability and consistent performance at an affordable price. The body is crafted of a proprietary DuPont® Zytel™ polymer, and the upper magazine tower features durable blue steel construction for superior durability and lasting performance. The injection-molded polymer follower and a heat-treated chrome silicon wire spring ensure proper cartridge alignment for smooth, jam-free operation to prevent jams and other malfunctions. Better yet, this magazine is backed by ProMag's unwavering lifetime warranty. 50-round capacity. Made in USA.