ProMag Smith & Wesson Model 3900 Full Size 9mm 8-Round Magazine

The ProMag® Smith & Wesson® Model 3900 Full Size 9mm 8-Round Magazine is an affordable aftermarket pistol magazine, designed to deliver factory-like performance at a low, budget-friendly price. Featuring a blued steel body with a corrosion-resistant finish, this pistol magazine offers unwavering field service and superior durability in any field environment. The heat-treated chrome silicon wire spring and injection-molded polymer follower ensure smooth, reliable operation for jam-free performance, while numbered witness holes allow for visual round counts. Better yet, the removable polymer floor plate allows for quick disassembly when maintenance and cleaning are required. Backed by ProMag's "no questions asked" lifetime warranty. Shop our full collection of Smith & Wesson pistol mags today! Order now. Made in USA.