-Design for upgrading your Airsoft AEG
-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
-Double O-Ring to provide an air tight seal against the cylinder head nozzle .
-Suitable for M4 Airsoft Electric Gun Series