Building a legal AR 10

Okletsfish · Jan 8, 2017

I am thinking about building a legal AR 10.What will I need beside the components and parts.I have a good workbench with a 6" vice along with a set of punches and cleaning stuff but that`s about it.Lots of hand tools from when I was working.

lee2 · Jan 8, 2017

Okletsfish said:
I am thinking about building a legal AR 10.What will I need beside the components and parts.I have a good workbench with a 6" vice along with a set of punches and cleaning stuff but that`s about it.Lots of hand tools from when I was working.

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5.56blaster · Jan 8, 2017

All AR-10's with a 16" barrel are legal for rifle builds. Get a wrench for the stock if a collapsable is being used. If your building the upper you may need a couple more hand tools but not much else. If you need any help send me a PM. I was a military gun guy and I've built several hundred of these guns. More than happy to pass on info that may help. Good luck.

iH8DemLibz · Jan 8, 2017

An extra set of take down detent pins and springs.

Cheap insurance.

Shamr0ck · Jan 8, 2017

iH8DemLibz said:
An extra set of take down detent pins and springs.

Cheap insurance.

This ^^^ and a plastic dry cleaning bag to do the work inside of so if the detent does go flying, it is easier to find.

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Okletsfish · Jan 8, 2017

5.56blaster said:
All AR-10's with a 16" barrel are legal for rifle builds. Get a wrench for the stock if a collapsable is being used. If your building the upper you may need a couple more hand tools but not much else. If you need any help send me a PM. I was a military gun guy and I've built several hundred of these guns. More than happy to pass on info that may help. Good luck.

Thanks

lazarus · Jan 8, 2017

Depends. Just building a lower? You have what you need except for a buffer tube wrench. If you are going to build the upper as well, you'll likely need a barrel wrench or if a free float handguard a wrench specific to the handguard being added. Mine needed a 1 1/16" wrench.

Don't need much else other than basic hand tools. An AR-10 vise block is going to be wanted for attaching the barrel to the upper for building it.

Pinecone · Jan 8, 2017

iH8DemLibz said:
An extra set of take down detent pins and springs.

Cheap insurance.

Yeah, those things can FLY.

Okletsfish · Jan 9, 2017

I have large wrenches along with torque wrenches.Will I need a special crow foot for torquing the barrel.

lazarus · Jan 10, 2017

Okletsfish said:
I have large wrenches along with torque wrenches.Will I need a special crow foot for torquing the barrel.

Yes, with the qualifier that the range is something like 20-45lb-ft. Preferably on the higher end. If you are kind of decent at gauging how much torque you are putting on it, you don't need one. I didn't bother as I am more than accurate enough to get within that margin of error after years and years of wrenching on cars.

Building a legal AR 10

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