ProWin M4 Hop Up Chamber

(16 customer reviews)

$43.99

ProWin hopup chambers are widely used as a preferred upgrade hopup as it provides great air sealing, compatible with most M4 magazines, easily to tune and adjust hop up and has the gucci shiny blue look too!!

In stock

Description

I have been using the ProWin chamber for years in my own builds and greatly recommend them

• High performance M4 hopup unit.
• CNC out of aircraft grade aluminum.
• Superb air seal.
• Superb durability.
• Anodized surface treatment.

16 reviews for ProWin M4 Hop Up Chamber

4.8
Based on 16 reviews
5 star
81%
4 star
18%
3 star
0%
2 star
0%
1 star
0%
  1. Andrey Sedgwick (verified owner)

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    Great

  2. Anonymous (verified owner)

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    perfect

  3. Bruce M. (verified owner)

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    Looks good. Thanks

  4. Mez (verified owner)

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    Awesome hopup unit

  5. Hayden (verified owner)

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    Starting to run these in all my aegs

  6. Anonymous (verified owner)

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    It feels well built, I like the wheel for adjusting hop

  7. David (verified owner)

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    gr8 item and service

  8. louis (verified owner)

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    way better than stock g&g hop up, more accurate.

  9. Anonymous (verified owner)

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    Little annoying to have no instructions with it, but use youtube and it easy as to set up.

  10. Anonymous (verified owner)

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    Amazing product!

  11. Stu M. (verified owner)

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    Best hopup chamber ever made

  12. Christopher W. (verified owner)

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    Good value hop unit.

  13. Josh (verified owner)

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    Great price and performance is prefect.

  14. Neil Smith (verified owner)

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    Easy as install, hops great

  15. John (verified owner)

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    Quality

  16. Michael B. (verified owner)

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    I genuinely think this is the best hopup for the price by faaaaaaar. I cannot notice the difference between this and the expensive ones after comparing. Blown away!

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