Modify- Bore-up Cylinder Set for MP5 A4/A5/SD5/SD6 AEGs Series - GU-01-20MOD-GU-01-20
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.
- Stainless Steel Cylinder
- Stainless Steel Cylinder Head
- POM Air Seal Nozzle
- Polycarbonate Piston Head
- For: MP5 - A4/A5/SD5/SD6; and Echo1 SG AEGs
Note: ***Please use with S120 Spring or higher**** Requires standard style piston. ***