Description
Recoil Calibration Pak
Recoil calibration pak for the Springfield XD 4″ contains 1 each of the above recoil springs in 17, 19, & 21 pounds. Springs must be used with Wolff recoil guide rod above. Three extra power striker springs are also included.
Factory Standard.: 17 Lb. (9mm, .40 S&W & .357 Sig)
Delivery is 2-4 weeks from time of order