The EPES CNC Duralumin H+PTFE Double O Ring Nozzle (22.3mm) is a precision-engineered upgrade component designed to improve air seal consistency and longevity in AEG gearboxes. Whether you’re fine-tuning a DMR build or simply replacing worn nozzle wear, this duralumin part delivers reliability at a competitive price.
Key Features
- Double O ring design – enhanced air seal and reduced gas leakage
- CNC-machined duralumin construction – superior durability versus standard plastic
- H+PTFE coating – reduces friction and wear on cylinder head and piston
- 22.3mm bore – compatible with most standard AEG gearboxes
- Straightforward drop-in replacement – minimal downtime between games
Real-World Use Cases
This nozzle excels in builds where consistent air delivery matters: DMR setups benefiting from shot-to-shot predictability, high-ROF builds requiring reliable gas cycling, and any AEG experiencing air seal degradation. The dual O rings reduce the creep and inconsistency that comes with worn standard nozzles, making it ideal for competitive skirmish play or milsim events.
Technical Specifications
- Material: CNC-machined duralumin with H+PTFE coating
- Bore diameter: 22.3mm
- O rings: dual configuration for enhanced sealing
- Gearbox compatibility: Version 2 & Version 3 standard AEGs
Compatibility & Upgrades
The 22.3mm bore fits most mainstream AEG platforms (Tokyo Marui clones, JG, Cyma, A&K and others). When replacing your nozzle, consider inspecting the cylinder head and piston for wear; pairing this upgrade with fresh O rings or a cylinder head service maximises air seal improvements. Compatible with standard gearbox shells and requires no modification.
UK Legal & Site Notes
As a component-level upgrade, this nozzle carries no legal restriction and is fully legal to own and fit in the UK. Check your site’s teching policy before arrival; most accept externally invisible internal upgrades without issue.
Upgrade your AEG’s efficiency and reliability with the EPES CNC Duralumin Nozzle. Order now at Airsoftdirect UK.










