Why You Shouldn’t Care About The All-Metal 3D Printed Gun

Hackaday

Solid Concepts, one of the world’s largest rapid prototyping outfits, just printed a gun. Unlike previous 3D printed guns like the Liberator, this 3D printed version of an M1911 is made out of metal. It’s a real gun, with rifling in the barrel – something the Liberator doesn’t have – and has the look and feel of what the US military has been using as a service pistol for decades.

The Solid Concepts 1911 was made using the selective laser sintering process, using a combination of stainless steel and nickel-chromium alloys. Every single part of the gun, save for the spring, was 3D printed without any machining. It’s an impressive feat of rapid manufacturing – firing .45 ACP rounds, this gun will see 20,000 psi every time the gun is fired. It’s already chewed through a few magazines so far, and it apparently shoots pretty well, to boot.

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