HDR68 Revolver 30J - 40J Steel Tuning Barrel Kit

This barrel kit has extreme tolerance (17.3mm/.681inch bore) to increase the output of the HDR68 to 30 to 40 Joules when combined together with the power kit. Without the power kit you will get 20-30 Joules. The barrel kit comes in 2 parts, the barrel with a thread protector and the 4 inches barrel extension. Add on the barrel extension increases 3 to 5 Joules.
The final power output is depending on the type of air and ammo used.
Made in Germany

NOTE: By installing this barrel to your HDR 68 , your factory warranty on your HDR68 will be voided.