I found the blueprint for a printable, reinforced AR-15 lower receiver on The Pirate ... When I finally slotted in the pins to attach the upper receiver—a component that looks much more like ...

AUSTIN, Texas — A federal judge on Tuesday issued a temporary restraining order to block access to the 10 blueprints that detail how to make 3D-printed firearms, from handguns to AR-15 style rifles.

I will waste all my time," Wilson said. Wilson already published 10 blueprints as of last Friday, including files for AR-15 style rifles and handguns. The AR-15 schematics alone have been ...