ProWin M4 Hop Up Chamber

(23 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!!

Out of 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.

23 reviews for ProWin M4 Hop Up Chamber

4.8
Based on 23 reviews
5 star
78
78%
4 star
21
21%
3 star
0%
2 star
0%
1 star
0%
  1. Andrey Sedgwick (verified owner)

    Great

  2. Anonymous (verified owner)

    perfect

  3. Bruce M. (verified owner)

    Looks good. Thanks

  4. Mez (verified owner)

    Awesome hopup unit

  5. Hayden (verified owner)

    Starting to run these in all my aegs

  6. Anonymous (verified owner)

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

  7. David (verified owner)

    gr8 item and service

  8. louis (verified owner)

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

  9. Anonymous (verified owner)

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

  10. Anonymous (verified owner)

    Amazing product!

  11. Stu M. (verified owner)

    Best hopup chamber ever made

  12. Christopher W. (verified owner)

    Good value hop unit.

  13. Josh (verified owner)

    Great price and performance is prefect.

  14. Neil Smith (verified owner)

    Easy as install, hops great

  15. John (verified owner)

    Quality

  16. Michael B. (verified owner)

    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!

  17. Desmond (verified owner)

    Excellent product at reasonable price. Would be great to include with instructions and inner barrel fixed ring.

  18. Ben Dickinson (verified owner)

    Good product

  19. Robert Grey (verified owner)

    Good hop up fit in my rif easy and building it was easy as.

  20. Terence (verified owner)

    Good service, goods arrived as advertised

  21. Dean Statham (verified owner)

    Way better than the standard one.

  22. Craig G. (verified owner)

    works great, does what its supposed to do

  23. Marc Teubes (verified owner)

    Great product

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Important Notice! Orders will not be processed between 22/03/24 - 08/04/24. You will still be able to make orders during this period but expect no updates until after 8th April 2024
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