5KU Tool Adjust NPAS Set for WA M4 GBB


  • Model: AS4402
  • Manufactured by: 5KU


  • 5KU Tool Adjust NPAS (Negative Pressure Adjuster System).
  • Aluminum construction.
  • To make your GBB rifle power output become adjustable.
  • Suitable for Western Arms M4 series airsoft GBB nozzle.


  • 5KU model no. - GB-117
  • Color - Silver
  • Weight - 20g
  • Material - Aluminum
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    This product was added to our catalog on Wednesday 31 August, 2011.

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    Disclaimer: All airsoft guns, gas blowback guns, spring guns are NOT real firearms. All airsoft guns sold to US customers are affixed with an orange tip permanently.