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APS One-Piece Metal Hopup Unit for M4 M16 Series Airsoft AEG Rifles

ID: 41946 (HU-AER024)
APS / Hakkotsu41946
1.9 stars, based on 11 reviews
APS One-Piece Metal Hopup Unit for M4 M16 Series Airsoft AEG Rifles
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Newest Generation design


*Newest Generation design

APS Reinforced One-Piece Metal Hopup Unit for M4 M16 Series Airsoft AEG Rifles
The APS Metal one piece hopup systme comes complete with all the little parts assembled and is compatible with all major M4 M16 series platform full metal AEG.

Compatibility: For APS, Tokyo Marui, Matrix, Classic Army, JG, Dboy, SRC, CYMA, VFC, G&P and other compatible M4 / M16 Series Airsoft AEG Gearboxes
Material: Metal Alloy

Manufacturer: APS

11 Customer Reviews

(Write a review)

by Caleb K. on 10/15/2016
"Worked OK when I first got it (stock in my APS AEG) but after about 2 months, it began to loosen up. What I mean by that was, not matter how hard you tightened the screw on the first gear, it would still free spin every time I shot. I use a polarstar engine, so there is little to no vibration at all, yet is still free spins. I do not suggest purchasing this product. Save your money and buy a Prowin.
by Ethan D. on 03/22/2016
"I bought this as an upgrade to my stock hopup hoping to get a more durable and long range hopup. This is probably the worst hopup anyone could buy.


Doesnt even come into contact with magazine
Broken adjustment wheel put of the box
Less range than with stock hop-up
Didnt come with lock
No nub
No brass ring
by Isaac G. on 08/20/2015
"This hopup is metal! and its so inexpensive! that was my first impression, as I'm sure it was the same for many others. Do not be fooled!! I have a basic somewhat upgraded G&G cm16 raider, and I knew that this would only be an upgrade in durability (since its metal) at best, however the stock abs plastic hopup on my gun is better in every. single. way. the worst experiance for me however were the misfeeds. Btw before you slam me for being some airsoft noob i'd like to point out that I'm a noncompetitive backyard air-softer with not much space in my budget :b but seriosly I know a bad hopup when I see (have) one.

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