Wolff FIRESTAR 9mm & .40, XP RECOIL SPRING 20LB
Recoil Springs are available with load-rated specifications to tailor the recoil function to individual needs. Each load-rated recoil spring pak includes an extra power firing pin spring.
- Reduced Power…: None Available
- Factory Standard.: 16 Lb.
- Extra Power………: 18, 20, 22, & 24 Lb.
For M43 (9mm) & M40 (.40 S&W) Only