SHS Aluminum Air Seal Nozzle for MP5 AEG Series

SHS Aluminum Air Seal Nozzle for MP5 AEG Series 7075 Aluminum Construction Suitable for MP5 Series Airsoft Rifle This Oil Lubricated Air Seal Nozzle increase the air tightness of the cylinder Inner O-Ring for better sealing (Double O-Ring) As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed