ISMI Recoil Spring, 17 lb
Flat coil, factory style recoil rod spring. 17 lb.
- Most commonly used in 9mm, .40 and 357 model Glock's
- Best used for recoil management in most Glock pistols with standard ammunition.
- 124gr.- 145gr (9mm) and any extra power ammunition loading.
- Great for any .40cal & 357 recoil reduction as well.