SHS CYLINDER HEAD VERSION 3 - LONG -O- RING ON BUTTON BLUE - (#H1-1)
- Cylinder head enhances airflow through the airsoft AEG gearbox.
- Suitable for version 3 airsoft gearbox.
- Dual O-ring for better air sealing.
- It keeps the nozzle stroking at the exact center of the cylinder.
- It also stabilizes the loading system.
- As always, upgrading AEG require necessary skill and technique to dissemble the gearbox, consult expertise if needed.