Prometheus M16/M4 Air Nozzle

£15.99

Precision Prometheus air nozzle for M4 and M16 series AEGs
Built-in inner O-ring creates a tighter air seal for better FPS
Self-lubricating POM construction for smooth, quiet cycling
High dimensional accuracy for reliable, jam-free BB feeding
Can cure air leaks and restore lost muzzle velocity
Reduced friction can lower battery drain and lift rate of fire
Trusted Laylax quality, a staple internal upgrade for M4 builds

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Description
Specification

A tighter seal for more consistent shots

The Laylax Prometheus M16 / M4 Air Nozzle is a precision replacement for the standard AEG nozzle, featuring a built-in inner O-ring that creates a far tighter air seal with the cylinder head. Better sealing means more of your compressed air reaches the BB, giving steadier FPS and a noticeable lift in consistency.

Smooth, quiet, self-lubricating

Machined from POM, a self-lubricating polymer, the nozzle glides against the cylinder head with minimal friction. Cycling is smoother and quieter, wear on mating parts is reduced, and the lighter load can even lower battery drain and nudge up your rate of fire.

Accuracy you can feel in feeding

Prometheus parts are known for tight manufacturing tolerances. The high dimensional accuracy of this nozzle ensures BBs are fed cleanly and presented correctly to the hop unit shot after shot, cutting down on misfeeds and double-feeds.

A proven M4 upgrade

Whether you are chasing more FPS, chasing down an air leak or simply building a reliable gearbox, this is one of the most trusted internal upgrades for the M4 platform. Fitting needs a gearbox strip, so pair it with a service from our Kent repair team or browse more parts in airsoft accessories.

Product information reviewed by James Smith. Every gun is checked & serviced by our Rochester workshop before dispatch.

General
Brand	Laylax
Other
Type	AEG air nozzle
Material	POM (self-lubricating polymer)
Air seal	Built-in inner O-ring
Fitment	Gearbox strip required for installation
Benefit	Improved air seal, FPS consistency and feeding
Compatibility	M4 / M16 standard AEG series
Also fits	SR16, M733, M4A1 and S-System variants
Precision	High dimensional accuracy
Sold as	Single air nozzle

Recommended upgrades & accessories

Frequently asked questions

What does an upgraded air nozzle actually do?

The air nozzle seals against the cylinder head and pushes air into the hop unit on every shot. A Prometheus nozzle with its built-in O-ring seals better than a worn stock part, which improves air transfer, steadies your FPS and helps feed each BB cleanly into the barrel.

Will this fix an air leak in my M4?

It often can. If your gun has lost velocity or feels weak, a poor nozzle-to-cylinder-head seal is a common cause. The Prometheus O-ring nozzle frequently restores lost FPS and consistency, though a full diagnosis of the gearbox is always best.

Which guns does it fit?

It fits standard M4 and M16 series AEG gearboxes, including SR16, M733 and S-System variants. It is designed for the common Version 2 gearbox layout used across the vast majority of M4 platform replicas.

Why POM material rather than metal?

POM is a self-lubricating polymer that glides smoothly against the cylinder head with minimal friction. That keeps cycling quiet and consistent, reduces wear on mating parts and helps lower the load on your motor and battery.

Do I need a technician to fit it?

Fitting means opening the gearbox, so it is best suited to players comfortable with internal work or done alongside other upgrades. If that is not you, our Kent workshop can install it and check your air seal at the same time.

Prometheus M16/M4 Air Nozzle

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