Madbull Airsoft Ultimate Hopup Unit for M4/M16 Series Airsoft AEG

$38.00

Model: Hopup-MB-Ultimate
Location: S6-093 SO-143
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10 Customer Reviews

by Debra L. on 03/31/2014
"This is buy far one of the best hopup chambers on the market. However it can be a pain to install. I have it and so do two of my friends. When i got it it took a lot of tries to get it in perfect because it has such tight tolerances but once i got it installed right it worked like a charm. However both of my friends had to file a few millimeters off the front of theirs to get it to work with out jamming. But after getting it working it will hit a man size target 3 out of 5 times at 70 yds laser measured with a stock M4. Over all i think this is the best hopup on the market and would highly recommend it.
by zac m. on 02/02/2014
"i got this hop up a few weeks ago and have played with it at an all day event. first, those who are having issues, put any other bucking in it. it will make it a thousand times better. i just ordered myself a REAPS bucking because I've heard nothing but good things about them so i figured i would give them a shot. the only issue was that the adjustment on it is quite firm(which is actually a good thing i was just playing on a cold day so as the gun got inaccurate then i would get inside and it would warm up. anyway. i belive his would work in a scar, although it is about 1/4 inch shorter than my scar hop up. thanks al, and please write reviews so you can get a better idea on whats good and bad
by Carlton A. on 01/07/2014
"The worst hop up ever.
It does not retain bbs, it lowered my fps by 250 (making my gun 90-100 fps), it does not shoot straight at all (BBS GO LITERALLY IN ALL DIRECTIONS), Double feeds (sometimes even shatters bbs) and the hop up bucking is awful.
Waste of money and I highly recommend the prowin hop up unit with a REAPS bucking over this.
This hop up was tested in a Stock VFC Mk18 Mod 1.

Rating: 0/5

Madbull Airsoft Ultimate Hopup Unit for M4/M16 Series Airsoft AEG

Compatible with all Marui compatible M4 series Airsoft AEG. The Ultimate Hopup Unit designed by Madbull

Parts and Materials:
Metal body, includes a famous MadBull blue bucking (60 degree)
Tracer unit is optional.

Features:

(1) The LED Tracer Unit: You can buy it separately and attached to the Hopup unit. Use your AEG battery and connect to your Tracer Unit. The LED can brighten the tracer BB when BBs are in the chamber.

(2) Chamber Lock: Designed by Brian Holt. With this new hop up design you will not have to worry about losing and dropping several bb??s with a magazine change. This new design provides you with a way to keep bb??s in your AEG and ready to use and not on the floor and even better it stabilizes the top of the magazine to ensure a secure and flawless feed of bb??s into the AEG.

CAUTION: This hop up unit is designed for the experienced and responsible Airsoft player. With the magazine removed the AEG is still able to fire several bb??s. Always wear safety goggles and treat all Airsoft weapons as if they were loaded.

(3) Easy Adjustment Wheel device: Use TM G36 style adjustment device and apply on the M4/AR unit.

- Full Metal Housing for maximum durability.
- Hopup rubber packing included. Fits all M4 hopup rubbers.
- Adjustable hopup dial.
- Fits all metal bodies. (Exclude KWA metal body).

Compatibility:Matrix, Dboy, Echo1, JG, Classic Army, G&P, SRC, AGM, Tokyo Marui, VFC and other m4 / M16 series Airsoft AEG.
Note: This product will work with plastic body AEGs however some modification is required. Professional installation is highly recommended.








This product was added to our catalog on Monday 28 December, 2009.

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