Ars Technica has covered these issues for years, since both "ghost guns" and machine gun converters can be produced using 3D-printed parts, the schematics for which are now widely available online.

[Proper Printing] didn’t just think it, he’s made a working hot glue 3D printer. As you’d expect, it’s the extruder which forms the hack here. A Dremel hot glue gun supplies the hot end ...

Probably the most correct yet unsatisfying answer is ‘yes and no.’ A key difference is that 3D printers use specially ...

Mangione’s gun was a Glock-style Gen3 G19 printed frame with an aftermarket metal slide, according to popular 3D printing YouTuber Print Shoot Repeat. Many 3D printed gun plans are only for the ...

An officer was fired and charged with incompetence after accidentally shooting a driver with his own gun while attempting to remove it from his holster. 39-year-old Jason Arrington was pulled over ...