Working Assault Rifle Made With a 3-D Printer

I knew that 3-D printers had the potential to change the world, but I didn’t imagine that this would be one of the ways in which it was going to do it.

An amateur gunsmith, operating under the handle of “HaveBlue” (incidentally, “Have Blue” is the codename that was used for the prototype stealth fighter that became the Lockheed F-117), announced recently in online forums that he had successfully printed a serviceable .22 caliber pistol.

Despite predictions of disaster, the pistol worked. It successfully fired 200 rounds in testing.

HaveBlue then decided to push the limits of what was possible and use his printer to make an AR-15 rifle. To do this, he downloaded plans for an AR-15 receiver in the Solidworks file format from a site called CNCGunsmith.com. After some small modifications to the design, he fed about $30 of ABS plastic feedstock into his late-model Stratasys printer. The result was a functional AR-15 rifle. Early testing shows that it works, although it still has some minor feed and extraction problems to be worked out.

Scary stuff.

printedgun

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