SHS Air Seal Nozzle — M4 AEG Series
SHS Air Seal Nozzle — M4 AEG Series
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DETAILS
DETAILS
- description
The M4 and M16 family share one nozzle dimension across the overwhelming majority of builds, which is why a single part covers so many different guns.
What you are choosing here is the body material. Aluminium keeps its shape and its seal longer once a gearbox has been run hot. Polymer weighs less and bears more gently on the cylinder head pad, which suits a gun built for a high rate of fire.
Neither material is the upgrade over the other. Both use the same o-ring seal, and on a sensibly tuned gun you would struggle to pick one from the other.
Specifications
| Specification | Detail |
|---|---|
| Platform | M4 / M16 |
| Material | Aluminium or polymer, selected above |
| Air seal | Yes, o-ring sealed against the cylinder head |
| Manufacturer | SHS |
| Sold as | Single nozzle |
Good to know before you buy
More guns take this length than any other, which makes it the one spare worth having before you need it.
Frequently asked questions
Which material should I choose?
Aluminium if the gun runs hot or hard. Polymer if you are chasing a high rate of fire and want less reciprocating mass. On a standard build either will serve you well.
Does it fit most M4 builds?
The great majority, yes. Where a build differs it is usually a proprietary receiver, so measure the part you took out if anything about it looks unusual.
Will it fit another gun with a Version 2 gearbox?
Not necessarily. Gearbox version and nozzle length are separate things, and an MP5 or G3 sitting on a Version 2 box still needs its own length.