Product Description The Pro-Mag Smith & Wesson drum magazine is a 50-round, high-capacity drum designed to fit the Smith & Wesson 5900-series 9mm pistol. It features a proprietary DuPontA(R) Zytel(TM)-based polymer magazine body with a blue steel upper magazine tower for reliable fit and feeding. An injection-molded follower and a heat-treated stainless-steel spring help provide consistent performance, and it is made in the USA. Product Highlights 50-round drum magazine for extended shooting sessions and fewer reloads Compatible with the Smith & WessonA(R) 5900 9mm pistol Proprietary DuPontA(R) Zytel(TM)-based polymer body in a matte black finish Blue steel upper magazine tower with an injection-molded follower for smooth operation Heat-treated stainless-steel magazine spring; made in the USA Specs Brand: Pro-Mag Manufacturer Part Number: PRODRMA43 UPC: 708279015151 Type: Drum magazine Capacity: 50 rounds Caliber: 9mm Compatibility: Smith & WessonA(R) 5900 pistol Color/Finish: Matte Black Body Material: Proprietary DuPontA(R) Zytel(TM)-based polymer Upper Tower Material: Blue steel Follower: Injection molded Spring Material: Heat-treated stainless steel Country of Manufacture: USA Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.