This factory original Bersa magazine is built to the same specifications and tolerances as the magazine that shipped with your gun, ensuring flawless fit and function. The Thunder 9mm magazine holds 17 rounds of 9mm ammunition in a detachable configuration and features a matte finish that resists corrosion.
The high-tensile steel spring and injection-molded polymer follower work together to ensure proper cartridge alignment and smooth, reliable feeding. Precision-machined feed lips provide a snug and secure fit for consistent operation you can depend on. This centerfire pistol magazine comes equipped with numbered witness holes for quick, visual round counts, making it easy to track remaining ammunition during tactical training or range sessions.
The removable polymer floor plate features a precision-molded finger rest, engineered to integrate smoothly with your pistol’s frame for snag-free performance and improved ergonomics. this Bersa Thunder 9mm 17-round magazine delivers dependable performance backed by factory specifications.






