5KU - AEG Barrel Type  CNC Hop Up Chamber for WA M4 Series - GB-121

5KU - AEG Barrel Type CNC Hop Up Chamber for WA M4 Series - GB-121

5KU-GB-121
  • $38.00


  • 5KU Hop Up Chamber Unit.
  • Rear adjustment.
  • Full metal construction.
  • For WA/G&P WOC M4 series airsoft GBB rifle with AEG type barrel.
  • Replace Western Arms M4 series gas blow back rifle original Hop Up unit.
  • Accomplish to use with AEG type inner barrel.
  • As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed.
  • 5KU-GB-121