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Home » Accessories & Parts » AEG Internal Parts » Gearbox Tune-Up Kits

Lonex Compression Upgrade Set w/ Mushroom Type Piston Head for Airsoft AEG Rifles
(Model: M4A1)

ID: 54606 (CYL-GC-04-11)
GC-04-11
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Lonex

$45.00

Model Options:
ModelAK-Beta$27.99
ModelAK47$49.95
ModelAUG$55.00
ModelG3$48.00
ModelG36$27.99
ModelM16A2$50.00
ModelM4A1$45.00
ModelMP5$50.00
ModelP90$55.00

Description

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Product Description

Features

  • Durable steel cylinders with grooves for improved heat dissipation
  • Internal polishing reduces friction between the cylinder and cylinder head
  • Precision CNC machined aluminum piston head and cylinder head
  • Steel ball bearing piston head helps with smoother rotation of spring during compression
  • Size matched piston head improves air seal for optimal performance
  • Silent mushroom type piston head with rubber cushion helps to absorb impact force and reduce noise
  • High quality CNC processed polycarbonate air nozzle with o-ring for better air seal
The Lonex Enhanced Cylinder sets offer a complete upgrade solution for immediate performance in a simple to install kit. Precision CNC machining and high quality o-rings help to achieve a tight air seal resulting in greatly improved compression which can lead to increased fps and consistency.

Manufacturer: Lonex

20 Customer Reviews

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by Edward M. on 04/29/2025
"AUG model.

Nice little upgrade. You may want to keep the stock nozzle because the lengths are different. It'll be a tight fit with the JG gearbox and the cylinder head, but you know it won't be going anywhere. You will need to sand down the little square tab that's in the cylinder window on your gearbox. Otherwise that cylinder isn't going in right.

I have this combined with a BAAL nozzle, SHS full rack piston, and an Evike M115 spring and I am shooting at 1.34-1.38 J. It performs pretty well. I did not need to do any AOE correction with the mushroom head. Before all this I was getting around 1.2J if even.
by Carlos Eduardo Treviño G. on 01/22/2020
"Pros
Goood for Cyma Ak 47 Nuzzel NICE,
Piston omg Really well
Cilinder goood

Cons
Cilinder Piston Dont Good for Cyma Aks only
by Mark B. on 01/09/2020
"Would this work with the TM Highcycle AUG (v3 gearbox)?
I'd like to get the Lonex Ultimate Polycarbonate Piston to go with it.

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