World's Possibly First 3D-Printed Rifle Is Fired on YouTube

A video showing what appears to be the first completely 3D-printed rifle in action was uploaded to YouTube on Wednesday.

The video shows the plastic rifle, called "the Grizzly," clamped to a workbench and the man who fires it (presumably the user who uploaded the video, ThreeD Ukelele) pulling a piece of string attached to the trigger for the test fire. The video's text indicates that the rifle employs the mainspring (the mechanism that causes the gun to fire) of Defense Distributed's Liberator, which is the first 3D-printed pistol. The rifle was printed on a Stratasys Dimension 1200es 3D printer Read more...