- M120 Spring
- Reinforced Gearbox with 7mm Bearing
- Teflon Cylinder Set
- Torque Up Spur Gear Set
- Low Resistance Switch Assembly
- Selector Plate / Tappet Plate / etc.
Systema complete gear box includes all the recommended reinforcement parts for the best performance. The gear box is all setup and ready to go. This gearbox is designed for Tokyo Marui and compatible AEG, if you have other brand, some slight adjustment and modification might be required.
This item is for experienced players only. All sales are final on complete gear boxes. If you do not know about handling and maintaining an upgraded gun, please contact our technicians for more information. The item is directly from Japan and from the best Airsoft company - Systema, all the parts are guaranteed to be brand new directly from systema. For any warranty information please contact Systema directly. It is the nature of custom complete gear boxes that we cannot warranty these custom hi-power gear boxes due to it's strong spring, the motor you will use, and the battery you will use. Please, if you do not understand this statement, do not purchase it beceause we cannot baby sit hi-power custom guns that requires technical knowledge to maintain. If you know about internal upgrades, this gear box is a super great deal and one of the best complete gear box systema or anyone else have to offer.