5KU Pistol Receiver Extension Tube for WA M4 GBB


  • Model: AS6339
  • Manufactured by: 5KU


  • 5KU Pistol Receiver Extension Tube.
  • Constructed of Aluminum Material.
  • Suitable for WA M4 GBB Series Airsoft Rifle.
  • Make your Airsoft Gun look cool.


  • 5KU model no. - GB-149
  • Color - Black
  • Weight - 130g
  • Material - Aluminum
  • Length - 180mm
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    This product was added to our catalog on Friday 02 May, 2014.

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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.