DP Hammer Power Tuner Kit

While using this kit, it allows to adjust the power of the hammer spring in wide range. Suitable for competition shooter to wargame player. Also applicable and allow fine tune the power for different temperature conditions. Work great and allow more custom tuning with UAC High Flow Valve for Hi-capa and Airseal Rubber. 1 soft & 1 hard spring suitable for different conditions. 10 spacer for fine tuning.