This upgrade is the best choice for those who've noticed the FPS of their AEG has dropped. We will check compression in the system to look for air leaks and repair / replace the following:
- Piston head o-ring
- Air nozzle o-ring
- Cylinder head o-ring
- Air nozzle*
- Piston head*
- Cylinder head*
Please note, this price includes the cost of labor and o-rings only.
*Each gun might need different parts, so we do not include the cost of these parts in the package. Contact us if you would like more information on what your gun might need.