![Bore-Up Set for AK-47/47S Bore-Up Set for AK-47/47S](https://air.viruisis.lt/14161-large_default/bore-up-set-for-ak-4747s.jpg)
![Bore-Up Set for AK-47/47S Bore-Up Set for AK-47/47S](https://air.viruisis.lt/14161-large_default/bore-up-set-for-ak-4747s.jpg)
Bore-Up Set for AK-47/47S
A Bore-Up set that facilitates an increase of additional 10 - 20 FPS. The advantage of this set is not putting stress on other elements of a Gearbox or the battery.
In order for the set to work effectively, it is recommended to use S120 or more powerful.
The set includes:
- Cylinder with increased diameter
- Air-sealed, ventilated and ball bearing piston head with increased diameter
- Air-sealed nozzle for a Bore Up set
- Aluminum and double air-sealed cylinder head with increased diameter