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

ProWin40058
Evike.com
4.2 stars, based on 21 reviews

$29.00

ID: 40058 (HU-PW-M4)
The manufacturer of this product enforces a strict minimum advertised price (MAP) policy which excludes this product from any additional discount coupon codes. This item, however, may qualify for free shipping.
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21 Customer Reviews

by Oscar R. on 04/12/2016
"This causes my mags to not feed. I used hex mags, elite force, k120. Only works with high caps.
by Nicholas D. on 03/26/2016
"You cant go wrong with the prowin hopup. I have tried a ton of hopups and this by far is the best fitting and most consistent.

My current builds that this hopup is in are an H&K 416 metal receiver, G&P customer built widow maker metal receiver, and king Arms navy seal addition metal receiver.

The one BIG issue I find is that there is a long screw that usually isn't long enough to sit your hopup snug to the gearbox. quick fix is to place your old hopup spring to the end of it and really mash it on there and adjust as necessary to get it snug on the gearbox.
by Walter M. on 01/27/2016
"This chamber is great but if you ever lose the parts you have to buy a whole other hop up chamber! Evike should contact Prowin or Amped Airsoft to get replacement parts for this chamber. Also there are fitment issues with the Modify Baton Ryusoku Bucking and this chamber, the lips don't let BBs go through unless you really push hard on the BBs thus leading to feeding issues. Be careful with the parts and be careful of Flat Hop mods.
ProWin CNC Hopup Chamber for M4/M16 Series Airsoft AEG Rifles
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.
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