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this post was submitted on 09 Mar 2024
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Are semi-automatic 3d printed guns legal in the US?
In most states. It's no different than doing it with a mill legally.
Yes, although iirc you are required By law to embed a metal plate for your serial number.
Also on a practical level, you need metal parts of the thing falls apart pretty immediately. 3d printed gun parts can be useful, but 3d printed guns are basically tech demos at this point.
By federal law, you are not required to serialize it (unless you plan to sell it, but if you do that too often then you're a manufacturer and need a license). Some states may require serialization for homemade firearms.
For personal use, yes. You are required to add some metal to it though I believe.
You have to have a metal barrel for it to function. You might get a single shot of .22lr with a printed barrel.
You're probably right. The ones I'm aware of were single shot with a chunk of metal in the grip.
That's "the liberator." They've come a long way.