Wilson Combat Spring and Follower Kit Wilson ETM 10 Rd .38 Super FS Magazine 10RD. These Brownells Magazine Spring and Follower Kits utilize incredibly strong and long lasting materials that exhibit excellent performance and deliver flawless performance every time. In addition to being incredibly lightweight these Wilson Combat Bullet Proof Spring and Follower Kits also improve the magazines lifetime by preventing as much body movement as possible. These small issues can cause a magazine spring to become miss-sprung and cause feeding problems that can be easily resolved with a simple exchange of the magazine spring. Wilson Combat Bullet Proof Spring and Follower Kits are an ideal replacement for a used magazine spring and will assist in making a magazine operate smoothly. For a reliable strong and long lasting product that you can count on choose the Wilson Combat Bullet Proof Spring and Follower Kit. Specifications for Wilson Combat Spring and Follower Kit: Manufacturer: Wilson Combat Number of Rounds: 10 Package Contents: Wilson Combat Spring and Follower Kit Wilson Combat 500SFK38-10-10RD: Spring and Follower Kit Wilson ETM 10 Rd .38 Super FS Magazine