CNC machined piston head with 6 large vents. Comes with bearing. Fully compatible with SHS / Rocket, ZCI and E&C parts. Compression is excellent. Vents are larger than normal to allow greater airflow. A smaller O-ring which pertrudes 0.5mm is located in the head to provide an extra cushion.
Colour is Blue or Red.
Weight: 17 grams
Please remember to apply some thread-lock to the piston head screw.