-By Warner Todd Huston
A few days ago the Interwebs went all a twitter over a guy that reporters claimed “printed” his own “fully functional assault rifle” using a 3-D printer that “prints” in plastic. But few of these reports came anywhere near getting the facts straight on this story. The fact is he “printed” only a small part of the gun. He did not “print” a “fully functional rifle” as many reports suggested.
There was “printing” going on, certainly. But the only part of the gun — an AR-15 — that was fabricated using the 3-D printer was a part that did not have to withstand the explosions of the cartridge going off, nor was it a part that hasn’t been made of plastic in other guns already. The chamber was not fabricated, the barrel was not fabricated, the bolt wasn’t, and the firing pin wasn’t. In fact, none of the most important working parts were created using the 3-D printer.
So, what was “printed” by the machine? Only the lower receiver. If you don’t know what that is, think of it as the seat or skeleton upon which all the working parts of the gun sit. It is also the part to which the stock and handle are attached. So the only part this guy created was the lower receiver to which he affixed the rest of a real AR-15’s parts.
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Media Falsely Reports Man Used 3-D Printer to ‘Print’ His own ‘Assault Rifle’?”