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What this part does

The JG G3 hop up chamber holds the hop rubber and nub that apply backspin to the BB. This backspin flattens the BB’s flight and controls effective range, so a sound, adjustable chamber is essential for consistent accuracy.

Build and fitment

This is a standard replacement chamber, a direct fit for the JG G3 series AEG platform including variants using standard G3 gearbox configurations. It is a straightforward repair for a cracked or worn original unit.

Compatibility and upgrades

It accepts standard hop rubber buckings and nub designs. When upgrading, pair it with a quality aftermarket hop rubber and a precision inner barrel for a noticeable improvement in accuracy and range.

Fitting and support

Fitting a hop unit involves the barrel assembly and setting the hop correctly. Our Kent airsoft repair workshop can fit and tune it, and related barrels and rubbers are listed under airsoft accessories.

General
BrandJG (Jing Gong)
ColourBlack
Platform The gun type and the real-world design it is based on.JG G3 series AEG
Other
TypeStandard replacement chamber
MaterialPolymer
Part typeHop up chamber unit
Hop rubberAccepts standard hop rubbers
Hop nubAccepts standard nub designs
FitmentDirect fit for JG G3 AEGs
Manufacturer SKUD-X004
ApplicationReplacement hop up unit

Frequently asked questions

What does a hop up chamber do?

It holds the hop rubber and nub that put backspin on the BB, giving flatter, more accurate flight and controlling your effective range.

Which rifles does it fit?

It is a direct fit for the JG G3 series AEG platform, including variants using standard G3 gearbox configurations.

Does it take standard hop rubbers?

Yes. It accepts standard hop rubber buckings and nub designs, so you can fit common upgrade rubbers for better accuracy.

Can I upgrade for better range?

Yes. Pair the chamber with a quality aftermarket hop rubber and a precision inner barrel for improved accuracy and range.

Is fitting difficult?

Swapping a hop unit is a moderate job that involves the barrel assembly. If you prefer, our Kent workshop can fit and set the hop for you.