RX AK Gearbox High Speed Upgrade Parts - The ump45 gel blaster

- The ump45 gel blaster is with jm gen8 gearbox

Full auto pusher

and 3 MOA) for optimum versatility

and fast roping

Made with high-quality metal

RX AK Gearbox High Speed Upgrade Parts - The ump45 gel blasterUpgrade your RX AK gel blaster's gearbox with this high speed upgrade parts kit. The durable build increases the rate of fire and firepower for enhanced performance, while using a unique 27000rpm motor and high quality bearings to prevent heat generation and damage. Features: high durability build for rx ak gel blasters' gearbox, also improve rate of fire and firepower. The rx gearbox cannot support a motor with its speed too high as it could damge