(Before It's News)
While hysterical politicians are considering the regulation of 3D plastic printers over fears that criminals will print plastic guns—because so many 6th-grade dropouts are CAD savants—Solid Concepts has bypassed the plastic gun drama entirely, and has printed the first functioning, firing 3D printed metal gun, a .45 ACP that has already sucked down an entire 50-round box of hardball.
Source:
http://freenorthcarolina.blogspot.com/2013/11/video-solid-concepts-produces-worlds.html