Bore Up Cylinder Kits
The Modify Bore Up Cylinder Kit includes a bore up cylinder head, bore up air seal nozzle, bore up aluminum cylinder head, and bore up cylinder. These bore up cylinder kits are made by Modify and are for use in heavily modified guns only. If your gun is heavily upgraded, this is the kit for you. Modify series of upgrade parts are compatible with most major brands of AEG.
Included in this kit:
**Note: Piston is not included.**
Upgrade Cylinder Head
Upgrade Piston Head
Requires standard style piston.