5KU 10.3" CQB Aluminum Outer Barrel for WA M4 GBB Black


  • Model: AS6331
  • Manufactured by: 5KU


  • 5KU 10.3" Outer Barrel (CQB Type)
  • Aluminum Construction.
  • One-Piece Barrel Design.
  • Design for WA M4 / M16 Series Airsoft Gas Blow Back Rifle.
  • Barrel tip end has Counter-Clockwise 14mm (Negative) thread.
  • Super rigid construction for high end upgrade user.


  • 5KU model no. - GB-140
  • Color - Black
  • Weight - 140g
  • Material - Aluminum
  • Length - 10.3"
  • Adaptive End - 14mm Counter-Clockwise
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    This product was added to our catalog on Friday 25 April, 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.