World's first 3D-printed rifle gets update, fires 14 shots

A Canadian tinkerer who previously claimed to have created the world's first 3D-printed rifle, only to see the barrel crack upon its first videotaped test firing, has now created an updated version of the gun that was able to fire 14 rounds before suffering damage. The riflemaker, who goes by the name "Matthew," posted a new series of videos on YouTube this weekend showing off his latest creation in action at a firing range in British Columbia. For the final three test shots, Matthew can be seen...