When Cody Wilson revealed the world's first fully 3-D printed gun last year, he showed that the "maker" movement has enabled anyone to create a working, lethal firearm with a click in the privacy of ...

A 3D printing services company has built a fully functioning, semi-automatic pistol and shown that it works just as a traditionally manufactured gun. Built by Solid Concepts, the pistol is a replica ...

A pint-sized gun that shoots a spray of molten metal is saving U.S. wartime industry hundreds of thousands of dollars and hours of labor. The Army & Navy have 750 of these hot-metal guns in use this ...