This full metal hop-up chamber from JG (Jing Gong) provides a robust upgrade or replacement for compatible M4 AEGs. Precision-machined for improved longevity, it helps maintain consistent hop adjustment and smooth BB feeding during use.
- Compatible with standard M4 AEG platforms (check specific model requirements)
- Metal construction for enhanced durability
- Manufactured by JG (Jing Gong)
Ideal for players seeking a solid and reliable hop-up solution for their primary airsoft rifle.












