This power kit increases the output of the TR50/HDR50 to 15 to 30 Joules.
It works on 7J , 11J TR50 and TR50L version
The final power output is depending on the type of air and ammo used.
Made in Germany
Installation help https://www.youtube.com/watch?v=rAu7CWbBZ0A
NOTE: By installing this kit to your TR50 , your factory warranty on your TR50 will be voided.