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Established 2006. Kent's Only Authorised 5.11 Tactical Retailer

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One Tool For The Whole Platform

The M4 Disassembly Tool is an armorer’s multi-tool built around the M4 and AR15 family of guns. It combines the functions you reach for most when stripping, servicing or building a rifle, so you can work on barrel nuts, castle nuts, buffer tubes and muzzle devices without hunting through a whole drawer of separate wrenches.

Built To Take The Strain

Stubborn factory torqued fittings need a tool that will not flex or round off. This wrench is made from heavy duty steel so it delivers the leverage required for tight barrel and castle nuts while staying comfortable and controlled in the hand.

A Workshop Essential

Whether you are maintaining your gun, swapping a handguard or fitting a new stock, having the right armorer’s tool at the bench makes the job faster and safer. It is a genuine must have for anyone who prefers to service their own platform.

Support For Your Build

Explore our full range of airsoft accessories to complete your workshop, and if a job is beyond a home strip our Kent repair and servicing team is ready to help.

General
BrandGerber
Platform The gun type and the real-world design it is based on.M4 / AR15 pattern
Skill Level Our rough guide to how beginner-friendly a gun is to run and look after.Intermediate and above
Other
TypeArmorer's wrench multi-tool
MaterialSteel
CompatibilityStandard M4 / AR15 components
FunctionsBarrel nut, castle nut, buffer tube, muzzle device
UseDisassembly, assembly and servicing
DesignMulti function combination tool
ApplicationBench and workshop maintenance
FinishBlack

Frequently asked questions

What does this tool do?

It is a combination armorer's tool for M4 and AR15 pattern guns, letting you work on barrel nuts, castle nuts, buffer tubes and muzzle devices.

Will it fit my gun?

It is designed around standard M4 and AR15 dimensions. Most parts on the platform follow common sizing, so it covers the usual servicing tasks.

Is it strong enough for tight fittings?

Yes. Its steel construction is built to handle the leverage needed for stubborn barrel and castle nuts without flexing or wearing.

Do I need any other tools?

For most strip and rebuild jobs this covers the key fittings, though a vice block and punches are useful companions for a full workshop.

Is it suitable for beginners?

It is best suited to those comfortable stripping their own gun. If you are unsure, our Kent workshop can carry out servicing for you.