G36 Cylinder head (short nozzle)

SHS G36 Cylinder head with O ring on the button(short nozzle)             

-- 7075-T6 aluminium alloy construction, High strength
-- CNC machining, high precision
-- Dual O-Ring design for better air sealing 
-- Rubber cushion to absorb shock 
-- Amber color
-- For G36 AEG gear box