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ProWin - Hop Up Unit - M4/M16

ProWin - Hop Up Unit - M4/M16

  • 3995

This item is currently out of stock. It will arrive soon.

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.



  • Enhanced Air Seal


Part Number None
Material Metal Alloy
Color Blue
Manufacturer ProWin
Compatibility TM M4/M16 Series AEGs

DISCLAIMER: Please use discretion when installing custom parts as fit and compatibility may vary. Some modification may be required. Professional installation recommended.

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