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ProWin Hop Up Unit M4/M16

ProWin Hop Up Unit M4/M16

  • 3995

ProWin CNC Hopup Chamber for M4/M16 Series Airsoft AEG Rifles

Compatibility: Tokyo Marui and other compatible M4 / M16 Series Airsoft AEG Rifles
Material: CNC Aluminum

Manufacturer: ProWin

  • High performance M4 hopup unit.
  • CNC out of aircraft grade aluminum.
  • Superb air seal.
  • Superb durability.
  • Anodized surface treatment.
  • Note: If you have a Polarstar in a VFC body, get one of these if you are having issues with feeding, it will work the best and it is what Polarstar recommends.

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