CLPD KJ Shadow 2, Orange, TS2, – Hi performance upgrade Recoil Spring (10%-Yellow, 20%- Green, 30%- Red)

We have bean keep on testing with different gas pressure  / weather for over 6 months,

Finally we made the best upgrade recoil spring set for your Shadow 2 / Orange / TS-2

This springs set can speed up your blow back action, so you can pick up the second shot a lot faster !