Pro Mag Industries S&W SD40 Drum Magazine .40 SW 50-Rounds

ProMag Drum Magazine Features Designed specifically to fit the Smith & Wesson SD40 this drum magazine ensures seamless compatibility and reliable feeding. The body of the magazine is crafted from a proprietary DuPont Zytel based polymer renowned for its durability and resilience under stress. This material choice provides a robust structure capable of withstanding rigorous use. The magazine integrates a hybrid steel-polymer upper magazine tower which not only enhances its strength but also ensures proper alignment and feed into the pistol. The reliability of the magazine is further bolstered by an injection-molded follower and a spring made from heat-treated stainless steel designed to provide consistent feeding and long-lasting performance. ProMag Drum Magazine Specifications Brand: ProMag Type: Drum Magazine Caliber: .40 S&W Capacity: 50 Rounds Fits: Smith & Wesson SD40 Material: Polymer (DuPont Zytel Based) Upper Magazine Tower: Hybrid Steel Polymer Follower: Injection Molded Spring: Heat Treated Stainless Steel Finish: Black Made in: U.S.A.