G36 CNC Aluminum Cylinder Head with O ring

The surface has been specially processed to increase the hardness, durability and wear resistance to perfection.
The front tip contacting surface of the cylinder head share the same specification as the Marui, but have added a rubber cusion to absorb shock.
The upgrading parts is built with complex CNC machine to ensure the preciseness.

Material：Aluminium alloy

N.W. ：11g