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The HAO developed BCG enhanced sticker, which makes the problem of jamming caused by worn-off BCG polymer cap disappear.


Once the cap wears off, it loses the support between the BCG and the receiver. It will cause the BCG to lift up during the travel through the magazine BBs feed and jam.


The sticker helps support and also smoother the travel! Make your MWS more durable!


If you are applying this sticker onto your original Marui MWS BCG. Slightly sand off the surface area where the picture 2 shows, we lasered it into the raw metal surface. This will add friction for the sticker to work.


  • Made in Taiwan
  • BB type: 6mm 0.2g BBs
  • Power source: Green Gas 9Kg
  • Power: 90 m/s = 0.81J with 0.2g BBs
  • J / cm2:  2.835 J/cm2
  • No primer using function 

HAO MWS BCG difuser sticker▲

SKU: P34
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