Hello Everyone,

Is there any one that can recommend a good AR15 multi tool wrench? Specifically I cant seem to find one that fits the castle nut on the buffer tube correctly. As far as I can see the castle nut is milspec so Im not sure why I cant find a good one that fits correctly. Thank you!

Dandy

It’s a spanner wrench made for this application. Inexpensive tool for what it does.

Magpul MAG535 armorer’s wrench works for me.


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I use a DPMS Armorers multi-tool wrench. For all the uses and tools in one, it's cheap @ ~$20. It can probably be found on Gunbroker.

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Thread Killer.

Ill check em out thatnks... I bought a LIVABIT wrench and had to make extreme modifications to the wrench to make it work.