Deep Fire Enlarged Air Nozzle for TM G36 Series  (Bore Up Version)
Plastic Construction
Tighter sealed air nozzle ensures more barrel exit muzzle velocity
This Oil Lubricated Air Seal Nozzle increase the air tightness of the cylinder
Direct replace of original air nozzle of Airsoft Electric Gun

As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed