A small but growing number of American firearm enthusiasts are joining RedNote, an app known in China as Xiaohongshu, in an effort to teach native users how to build 3D-printed guns. One such advocate ...

At long last, someone other than Defense Distributed has taken the group's 3D-printable design and turned it into a working firearm and fired it. But, and I cannot emphasize this enough, this gun is ...

Gun industry experts say the guns are simply a modern-day equivalent of what already is legal and readily available: the ability to assemble your own firearm using traditional materials and methods at ...

A handgun built from a 3D printer was found in a vehicle at Concord High School on Thursday afternoon, according to police.