ProWin CNC Hopup Chamber for M4/M16 Series Airsoft AEG Rifles

$29.00

Model: HU-PW-M4
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8 Customer Reviews

by matthew b. on 01/18/2015
"Very few products work so well I can't imagine what I did before you had one. The ProWin hop up was easy to assemble, and out shined my stock G&P hop with the 3 gear system, first mag fired following install. With almost no adjustment, this hopup delivers BB's consistently on target. It's expensive and it's fricken blue..and people might tell you that a standard hop works just fine, why spend the money. (well, some people anyway) But this thing fricken works. I went from flinging BB's 30-40ft before they split off the plan and did their own thing, to mowing down fools at or beyond 100ft before having to worry about the shots losing energy and breaking out or dropping off. Just got back from a full day of at the field, very successful upgrade. If you're wanting an upgrade you don't have to mess with, just works, increases range and accuracy and doesn't require re-adjustment during, or after each battle..buy this. It's fricken blue, and it's expensive, and anyone with an M4 should have one.

-My rifle:
G&P Evike Rapid Fire II
Angel Custom hop up nub
G&P 60deg bucking
stock barrel
by Matthew H. on 01/05/2015
"This hopup performs flawlessly. I purchased it when I noticed that the stock hopup for my Lonex m4 seemed to apply pretty inconsistent hop. This thing is light years ahead of the standard gear design. The rotary design of this unit stays in place very well, and its application of hop is much more predictable and gradual than any other unit I've used. Unfortunately, the unit did not sit as far forward as my original hopup, so it was constantly missfeeding when I purchased it. Finally, I simply installed a small o-ring onto the back of the unit, and it now feeds perfectly.

Pros
CNC design (no air leaks)
Anodized finish
Rotary design for much more consistent and predictable application

Cons
A little pricey
Was not really a drop-in upgrade like other units I've used
by Roland B. on 10/16/2014
"This is a great hop up system. Extremely accurate my m4 s system is dead on now. However I must note it's compatibility that when my gear box shattered I replaced it with a dboys one and the gun would either not fire double feed or compression would be awful. The key to making it work with a dboys gearbox is to attach a metal washer around the hop up lip that goes into the gearbox that way the air nozzle is at the perfect length for feeding compression and this function flawless. Upon doing this I've never had a misfeed or jam. My accuracy even at 200 ft is spot on 9/10 shots. Buy this angel customs 6.01 tight bore and maple leaf hop up and flat hop it and you'll see what I'm talking about
ProWin CNC Hopup Chamber for M4/M16 Series Airsoft AEG Rifles

Compatibility: For Matrix, Tokyo Marui and other compatible M4 / M16 Series Airsoft AEG Rifles
Material: CNC Aluminum

Manufacturer: ProWin

  • High performance M4 hopup unit.
  • CNC out of aircraft grade aluminum.
  • Superb air seal.
  • Superb durability.
  • Anodized surface treatment.
  • This product was added to our catalog on Monday 01 October, 2012.

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