Wolff SPRINGFIELD XDM 4.5IN RP RECOIL CALIB PAK
Recoil Calibration Paks
Stock No. 13227 – Recoil Calibration Pak – Springfield XD(M) 4.5″ – Contains 1 each of the above recoil springs in 14, 16 and 18 pounds. Allows tuning of the recoil function. Three extra power striker springs are also included.