The ZCI CNC AK Hop-Up Chamber is a precision-engineered upgrade component designed for serious AK platform airsoft rifles. This complete assembly brings CNC manufacturing tolerances to your hop-up system, replacing stock units with superior build quality and consistency.
Key Features
- CNC-machined aluminium chamber – tight tolerances for reliable performance
- Enhanced ZCI hop-up bucking – optimised for improved range and accuracy
- Sliding adjustment bar – classic design with smooth tension control
- Complete parts kit – barrel lock, brass spacer, and pins included
- Direct gearbox mounting – test outside the body or install permanently
- AK series compatibility – fits standard AK gearbox housings
Real-World Use Cases
Whether you’re building a CYMA, LCT, or GHK AK, this chamber suits technicians tuning hop-up performance before final assembly. The included bucking upgrades accuracy and range without requiring additional purchases. The sliding bar adjustment is intuitive for both field adjustments and zero testing.
Technical Specifications
- Brand: ZCI
- Type: CNC hop-up chamber assembly
- Construction: Aluminium (CNC machined)
- Bucking: ZCI enhanced rubber
- Mounting: Direct gearbox attachment
- Adjustment: Sliding bar with tension control
- Included accessories: Barrel lock, brass barrel spacer, mounting pins
- Compatibility: AK series gearboxes (V3)
Compatibility & Upgrades
This chamber is engineered for V3 gearbox AK platforms. It works with standard AK barrels and nozzles. The ZCI bucking can be swapped for heavier alternatives if fine-tuning hop-up for heavier BBs. Brass spacers are included to ensure consistent barrel seating.
UK Legal & Site Notes
As an internal upgrade component, this chamber is unrestricted. It doesn’t affect FPS limits and is ideal for improving accuracy on UK sites where precision matters. Use it during build testing before reassembling the full rifle.
Optimise your AK’s accuracy from the hop-up up. Order the ZCI CNC AK hop-up chamber kit today and experience the difference precision engineering brings to your platform.













