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ProWin M4/M16 CNC Hop Up Chamber
[11367 / PW HU M4]
$39.10
Displaying 1 to 7 (of 7 reviews) Result Pages:  1 
by S. WASHBURN verified buyer Date Added: Sunday 25 May, 2014
verified buyer
For: ProWin M4/M16 CNC Hop Up Chamber
Product Information:
I run these and Modify hop ups in all of my M4s. I absolutely love both of them and have never experienced problems. Love them. Definitely the best rear-wheel M4 hopup on the market. Far better than the MadBull hopup. The Madbull is a joke compared to this. If you're thinking about spending the money for a MadBull, just buy this and save yourself all of the trouble that the Madbull will give you.

Pros:
-Amazing air seal with buckings
-Stays on barrel tightly with no wobble
-Looks awesome
-Very high quality materials and finish
-Over all very high quality
-Never loses its arm position or hopup tension
-Best rear-wheel M4 hopup on the market
-A million times better than the Madbull
-I cannot even stress how much of a joke the MadBull is compared to the ProWin
-No issues

Cons:
-Set screw for hopup spring and be a little difficult but easy to figure out
-NO Cons
by J. LOONEY verified buyer Date Added: Tuesday 28 January, 2014
verified buyer
For: ProWin M4/M16 CNC Hop Up Chamber
Product Information:
I use a VFC SR15 and this by far the best I upgrade I have gotten for it. With a Flat Hop you will see an improvement in range and accuracy and a slight bump in FPS. The package I received didn't come with instructions but there are a couple of youtube videos to show how to put it together.

I just ordered a Miracle Barrel to go with it so I can't wait to see how that combo works out.

Pros:
Really improved my range and accuracy using the stock VFC barrel while using a Flat Hop nub and Bucking.

The adjustment wheel is very stiff and will hold your adjustment. So no having to fiddle with the hop up every time you go out to play.

Cons:
When I ordered it the lack of instructions was a problem.
by D. AYERS verified buyer Date Added: Sunday 17 November, 2013
verified buyer
For: ProWin M4/M16 CNC Hop Up Chamber
Product Information:
This is a great hop up unit! I got it for my 7.5 Diplomat to help improve the accuracy on a gun with such a short barrel. And boy did it work! Obviously with a good hop up you also need a good bucking/nub combo, I chose to go with the modify flat hop bucking/nub combo. The accuracy is AMAZING!! Couldn't get any better. Assembly is pretty difficult and the adjustment wheel is REALLY stiff.

Pros:
Cnc machined
Looks cool
Single adjustment wheel

Cons:
Assembly is kinda hard
Wheel adjustment is really stiff
Mine was sticky when I got it
by D. ROBINSON verified buyer Date Added: Monday 02 September, 2013
verified buyer
For: ProWin M4/M16 CNC Hop Up Chamber
Product Information:
This is amazing quality, but i bought it for a g&g raider, and it does NOT work. It is very sloppy in the hop slots, slides up and down and back and forth a lot, i cause massive feeding and jamming issues. This is a very high quilaity piece, but you will need to test it because not all m4s are creatted with the same toloerances. I do love the single wheel adjustment, much nicer thand the triple gears in my raider.

Pros:
smooth
well made
easy to use and install


Cons:
no real cons
just sad it wont work in my gun. If you have a higher end gun with tight fits this may work for you.
by J. EMPEY verified buyer Date Added: Sunday 03 March, 2013
verified buyer
For: ProWin M4/M16 CNC Hop Up Chamber
Product Information:
First of all i would like to see a video review on this product. i have used it extensively and have gained a great respect for it.

Pros:
this hop up blows any other hop-up out of the water simply by two factors it: one it is made out of one piece of aircraft grade aluminum, witch makes it light and durable witch i like. second because of the design it has not lost its set hop-up yet i don't think it ever will.

Cons:
none that i have found so far...........
by M. SCHEAFFER verified buyer Date Added: Monday 04 February, 2013
verified buyer
For: ProWin M4/M16 CNC Hop Up Chamber
Product Information:
I can't recommend this item enough. I used it in a G&G GR15 CQB Raider with a Mad Bull python tight bore, a Systema bucking and a Shredder's Concave Spacer. Wow. The results were immediate and dramatic. Have not had one mis-feed yet (I was missing around 1 out every 10 shots). The distance looks to be a good 50 feet more, the speed increased by around 10fps (from 410 to 420) and the accuracy is just night and day different. Is it worth the $40? YES. Get it. Now. You will thank me.

Pros:
Strong but light CNC, will not warp over time. Seals way better to air nozzle and gearbox. Perfect fit (not too tight or loose) around the barrel. Better accuracy, speed and feeding.

Cons:
It does not come with instructions or a tension spring. The arm goes in the top and the pin slides through like normal hop ups. Then the rubber o ring slides over the air nozzle hole into the groove closest to the hop up body. The big wheel slides over that, making sure the tab from the arm fits in the grove on the wheel. The o ring keeps the wheel from turning on its own. Then the c ring clamp snaps on the hold the wheel in place. Pretty simple but instructions would still be nice.
by A. MCDIVITT Date Added: Tuesday 02 October, 2012
For: ProWin M4/M16 CNC Hop Up Chamber
Product Information:
This Prowin hopup unit is the absolute best I have ever owned. I have tried so many different hop up units like Prometheus, Madbull, Modify, etc. The thing that makes this unique is that it does not have a gear set, just one and the hopup arm. You can compare it to the Madbull ultimate hopup in terms of functionality. It fits snugly in TM or TM clone M4/M16 receivers.

Pros:
- CNC machined, very well made.
- Does NOT have the feeding issues that the Madbull Ultimate Hopup has.
- Hop up cannot loosen and loose your zeroing
- Allows for very precise hop up adjustment
- Good grouping if you have a good bucking.

Cons:
- Does not have a spring to push the hop up unit against the gearbox. It has a long grub screw instead.
- Can be a little expensive (Worth it in my opinion)
Displaying 1 to 7 (of 7 reviews) Result Pages:  1 
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