KG Recoil Spring Tune In Kit For Glock 19 Gen 3
Recoil Spring Tune In Kit allows the shooter a choice of recoil springs to calibrate the recoil function when the correct spring rating is not known. The shooter starts with the strongest spring and works down until the desired recoil and function is obtained.
Comes with
1 18LB Recoil Spring
1 20LB Recoil Spring
1 22LB Recoil Spring
Made in USA