Product Description
Recoil calibration paks offer the shooter the ability to adjust the recoil function with an assortment of different weight recoil springs. Calibration paks offer a savings over purchasing spring individually.
Model# 13140 - Extra power Recoil Calibration Pak - Pak contains (1) one each recoil springs in 17, 19, 20 and 22 pounds. Includes (3) three factory strength striker springs.
Not for Generation 4 models