Wolff COLT 1911 .45 XP VAR PWR RECOIL CALIB PAK
Recoil Calibration Paks
Recoil calibration paks are offered to allow the shooter a choice of recoil springs to calibrate the recoil function when the correct spring rating is not known. These paks offer a savings of 20% over the same purchase of individual springs. The shooter starts with the strongest spring in the pak and works down until the desired recoil function is obtained.
For use in:
Colt 1911, 1911A1, 1991, Government, MKIV and Gold Cup models
Stock No. 13116 – Extra Power Pak – XP Variable
This pak contains 1 each of 17.5, 18.5, 20, & 22 Lb. extra power variable recoil springs. 3 extra power firing pin springs also included.