The Specna Arms Polymer Nozzle for M4/AR-15 CORE™ AEGs is a direct-fit replacement and upgrade component engineered to optimise feed reliability and air seal performance in your AEG. As a critical component in the gearbox assembly, the nozzle seats against the hop-up unit and feeds each round into the chamber during the firing cycle. This polymer variant offers a lightweight, durable alternative for players seeking consistent performance without unnecessary weight.
Key Features
- Polymer construction – reduced weight without sacrificing durability
- 21.37mm diameter – precision fit for M4/AR-15 CORE™ platform compatibility
- Direct drop-in replacement – compatible with standard Specna Arms gearboxes
- Reliable chamber sealing – optimised for consistent feeding and air seal
- Blue finish – matches Specna Arms cosmetic design language
Real-World Use Cases
This nozzle is ideal for Specna Arms CORE™ platform users performing maintenance or seeking a lightweight upgrade. Whether you’re replacing a worn component, tuning your gearbox for better efficiency, or building a fresh M4 setup, this nozzle ensures reliable round-per-round feeding during skirmishes, woodland games, and competitive milsim events. It’s equally suitable for target shooters and casual players who demand consistency without fuss.
Technical Specifications
- Nozzle diameter: 21.37mm
- Material: Polymer
- Colour: Blue
- Compatibility: Specna Arms M4/AR-15 CORE™ AEGs
- Power source: Electric (AEG)
Compatibility & Upgrades
This nozzle is a precision-engineered component for Specna Arms CORE™ platform rifles. Confirm your gearbox type before ordering to ensure correct fit. Pair with quality hop-up units, precision barrels, and matched bucking systems for optimal air seal and feeding. Consider upgrading alongside nozzle replacement if tackling a full gearbox service or performance tuning project.
UK Legal & Site Notes
As a component part, this nozzle is unrestricted and legal to own in the UK. It contributes to your AEG’s internal performance rather than altering its legal classification. Always verify site rules regarding performance limits and internal modifications before match play, and ensure your complete rifle remains within your venue’s FPS and engagement distance regulations.
Trust Specna Arms quality engineering to keep your M4/AR-15 running reliably. Order your polymer nozzle today and experience consistent, hassle-free feeding on every skirmish.











