The ZCI CNC air nozzle (20.4mm) is a precision-engineered replacement component designed to improve air seal efficiency and consistency in PM5 series airsoft electric guns. CNC machining ensures tight tolerances and repeatable quality, making this an ideal choice for skirmishers and technicians seeking reliable performance upgrades.
Key Features
- CNC-machined aluminium construction – superior tolerances and durability
- Integrated O-ring – delivers consistent air seal performance
- PM5-specific design (20.4mm) – direct compatibility with PM5 series gearboxes
- Lightweight – minimises strain on gear train during operation
- Drop-in replacement – straightforward installation during gearbox maintenance
Real-World Use Cases
This nozzle is ideal for players rebuilding or upgrading PM5 AEGs. Whether you’re chasing improved consistency in a CQB skirmish, restoring a worn gearbox, or fine-tuning a milsim rifle, a precision nozzle ensures your air system performs optimally. Technicians often pair this component with upgraded cylinders and hop-up units for maximum effect.
Technical Specifications
- Diameter: 20.4mm (PM5-compatible)
- Material: Aluminium alloy (CNC-machined)
- Sealing: Integrated O-ring
- Finish: Standard (colours may vary)
Compatibility & Upgrades
The ZCI CNC nozzle is designed fits the PM5 series AEGs. Confirm your gearbox type before purchase. Pair with a quality piston head, cylinder, and hop-up rubber for a complete air system overhaul. ZCI components are widely compatible with standard gearbox shells.
UK Legal & Site Notes
This is an internal component and does not affect your AEG’s chronograph reading or legal status. Always chrono your rifle after gearbox work to verify compliance with your site’s fps limits (typically 328 fps / 100m limit for AEGs in the UK).
Upgrade your PM5 with precision engineering. Order your ZCI CNC air nozzle today and enjoy improved consistency on the skirmish field.









