Description
The BoreBuddy Recoil spring tuning kit includes recoil springs of the following weights:
3lb (Light – BLUE)
4lb (Medium – YELLOW)
6lb (Heavy – RED)
Stock springs vary in strength, but generally are between 4-5lb in recent production bolts. These recoil springs are designed to fit CMMG/Atchisson/Ciener style dedicated bolts and conversion kits.
