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.
ProWin M4 Hop Up Chamber
$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!!
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Andrey Sedgwick (verified owner) –
Great
Anonymous (verified owner) –
perfect
Bruce M. (verified owner) –
Looks good. Thanks
Mez (verified owner) –
Awesome hopup unit
Hayden (verified owner) –
Starting to run these in all my aegs
Anonymous (verified owner) –
It feels well built, I like the wheel for adjusting hop
David (verified owner) –
gr8 item and service
louis (verified owner) –
way better than stock g&g hop up, more accurate.
Anonymous (verified owner) –
Little annoying to have no instructions with it, but use youtube and it easy as to set up.
Anonymous (verified owner) –
Amazing product!
Stu M. (verified owner) –
Best hopup chamber ever made
Christopher W. (verified owner) –
Good value hop unit.
Josh (verified owner) –
Great price and performance is prefect.
Neil Smith (verified owner) –
Easy as install, hops great
John (verified owner) –
Quality
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!
Desmond (verified owner) –
Excellent product at reasonable price. Would be great to include with instructions and inner barrel fixed ring.
Ben Dickinson (verified owner) –
Good product
Robert Grey (verified owner) –
Good hop up fit in my rif easy and building it was easy as.
Terence (verified owner) –
Good service, goods arrived as advertised
Dean Statham (verified owner) –
Way better than the standard one.
Craig G. (verified owner) –
works great, does what its supposed to do
Marc Teubes (verified owner) –
Great product