Recoil Calibration Paks
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.
Extra power Recoil Calibration Pak - Pak contains 1 each recoil springs in 17, 19, 20 and 22 pounds. Includes three factory strength striker springs. Not for Generation 4 models
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