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DIY 80% lower

I am posting this here without further comment.

First create a home made aluminum foundry:

Then make aluminum bullion:

Then you can create a rough aluminum casting of almost anything.

Or you can do a sandcasting

One reply on “DIY 80% lower”

Please don’t cast an AR lower. Castings don’t handle shock well. The crack and break.

Don’t mess around with aluminum cans. They are coated with plastic and it is painful to get anything useful from them. And it is the wrong type of aluminum for casting.

Go to someone who deals with wheels. Offer to buy broken or discarded cast wheels. A few hours with a hacksaw or much less of you have a band saw.

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