Wolff Gunsprings for HECKLER & KOCH USP
This is a 14 pound recoil spring for H&K USP which is the factory standard weight for .45 ACP. Package also includes an extra power firing pin spring.
Recoil springs for FULL SIZE MODELS are available with load rated specifications to help tailor the recoil function. Each recoil spring includes an extra power firing pin spring. NOTE: recoil spring replaces outer recoil spring only. Short buffer spring should not be changed.
Spring Weight References:
- Reduced Power…: 10 Lb.
- Factory Standard.: 12 Lb. (9mm & .40 S&W)
- Factory Standard.: 14 Lb. (.45 ACP)
- Extra Power………: 16, 18 & 20 Lb.