Teeth are made with high precision providing faultless work of gearbox mechanism. it`s great for extreme rate of fire modifications. It`s designed for v.2 and v3 gearbox. Mechanism works well on not harder spring than 110 m/s. All gears are fabricated on CNC machines.
CAUTION! Installation requires experience and manual skills. If you decide on a personal installation you must remember that your warranty will be canceled. If you want to keep your warranty parts must be installed by our service.

CZ 99
Arsenal SLR105 (value pack)
Arsenal SA M7 (mosfet) # 


