![1911](http://rack.0.mshcdn.com/media/ZgkyMDEzLzExLzExLzA0LzE5MTEuYTQ1NWUuanBnCnAJdGh1bWIJNTc1eDMyMyMKZQlqcGc/4ebdb556/3a2/1911.jpg)
Engineering firm Solid Concepts has produced the first 3D-printed metal gun, and is out to prove that it works as well as a gun that comes from a factory.
Eric Mutchler, a project coordinator and engineer at Solid Concepts, fired 50 rounds from the 3D-printed...