5KU Tool Adjust NPAS Set for WA M4 GBB
 
Aluminum Construction
Design for Replace the Original Nozzle parts and make it become a NPAS Nozzle
For the demo in the photo, it is a GP nozzle, and it works on it.
Come with Tool Adjust NPAS set
Suitable for WA/INO/G&P/AGM/Prime M4 Series Airsoft Gas Blow Back GBB Rifle
5KU : GB-117