5KU CNC Aluminum Hop Up Chamber for M4/M16 Series AEG


  • Model: AS6405
  • Manufactured by: 5KU


  • 5KU Hop Up Chamber.
  • CNC aluminum construction.
  • Comes with Hop Up Chamber and parts.
  • AEG Upgrade Parts for Tokyo Marui M4/M16 series airsoft electric gun AEG rifle.
  • As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed.


  • 5KU model no. - 5KU-104
  • Color - Blue (color may vary for different lot)
  • Weight - 26g
  • Built Material - CNC Aluminum
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    Current Reviews: 1

    This product was added to our catalog on Wednesday 14 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.