Lonex Aluminum One Piece Metal Hopup for M4 M16 Series Airsoft AEG Rifles


Model: HU-GB-01-34
Location: VN-093 S6-081

6 Customer Reviews

by Reneboy A. on 05/06/2014
"The fit of the Hop Up lever that goes up and down was VERY tight. I had to thin it out by taping a 200 grit sand paper on a glass table and evenly sand down the flat faces of the hop up until it was able to freely move up and down.
by Josue P. on 05/05/2014
"I bought this exact same hop up unit off of amazon and it's a great upgrade from your stock hop up. It's very consistent and reliable however...I found that the nub that came with it wasn't the best. Upgrading for 8 bucks to an H-hop up when you buy this would be a major plus.

Overall for efficient hop up for the price
by Andrew H. on 02/10/2014
"No complaints about the quality. Everything seems all good. A bit of instructions could help, but the Evike product pictures were good enough for me to figure it out. Just a heads up to folks, not a complaint about the product itself, just it's fit. It did not mate properly with my G&G Raider. I think there is a pressure leak somewhere, as my fps dropped from 400 fps to 300 fps. Product seems great otherwise.
*Hopup unit may require assembling

Lonex Aluminum One Piece Metal Hopup for M4 M16 Series Airsoft AEG Rifles
The Lonex ULTIMATE Hop-up chamber unit is designed for the M4 / M16 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 M4 / M16 / SR-16 / M4-RIS and other compatible Airsoft AEG models that uses M4 hopup units.
Material: Aluminum, One Piece
Type: One Piece.
Manufacturer: Lonex

Note: This product is designed to fit common M4 metal bodies. It will work with plastic body AEGs with some modification required. Professional installation is highly recommended. One piece hopup are generally intended for AEG with metal bodies.
This product was added to our catalog on Monday 25 July, 2011.

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