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Lonex Aluminum One Piece Metal Hopup for AK Series Airsoft AEG Rifles

ID: 46901 (HU-GB-01-71)
2.3 stars, based on 3 reviews
Lonex Aluminum One Piece Metal Hopup for AK Series Airsoft AEG Rifles
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Hopup unit may require assembling


*Hopup unit may require assembling
The Lonex ULTIMATE Hop-up chamber unit is designed for the AK family of rifles. This Hop-up chamber unit features top notch air seal and is designed to provide the best possible bb flight control.


  • Made from high quality aircraft grade aluminum alloy
  • Includes Everything for Complete Hopup Unit, Requires Assembly
  • O-Ring Seal on Gearbox Side
  • One-Piece Hopup unit.
  • Bucking and Nub sold separately
Application: For AK and other compatible Airsoft AEG models that uses AK hopup units.
Material: Aluminum, One Piece
Type: One Piece.
Manufacturer: Lonex

Note: This product is designed to fit common AK metal bodies. It will work with plastic body AEGs with som

3 Customer Reviews

(Write a review)

by Derek E. on 08/16/2016
"Every hop-up unit that i've bought has been Lonex and they have yet to let me down. This Unit is an awesome upgrade for your gun. The parts dont fit together perfectly but thats where sanding comes in which is what makes Lonex hop-up units so good; sand to fit your gun. The only issue ive ever had with my hop-up is losing hop. (after about 60 mags mind you). A little adjustment, then tightening the adjustment screw and i have yet to lose any hop. Overall, a great unit


-Metal unit
-High quality polymer parts
-Sand-to-fit parts
-Strong hop w/ the right bucking and nub


-Metal (Can be affected by cold weather)
by sandra b. on 03/17/2016
"on arrival everything seemed fine until i started assembling it when i noticed i have the same problem as the person below me has stated about the hole not being there for the screw. But other than that the hopup works fine. In all honesty though id steer clear of this and get a better hopup
by Edmund C. on 10/13/2015
"These hop-up units seems to be suffering from poor quality control and electroplating.

I've purchased two in the past month and each one has had flaking metal coming off of the inside of the feed tube and body, especially where the air nozzle and magazine feed ports are. There has been corrosion to the point that large nuggets of aluminum oxide have been fouling my barrel and magazines.

The slide arm is too wide for the groove it sits in, and the pilot hole for the retainer screw hasn't been tapped, so the slide arm will not sit securely in its groove.

I've had better experience with the plastic hop-up units, to be honest.

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