A Dallas man was sentenced to eight years in prison after he was arrested with a partially 3D-printed rifle and a hit list of lawmakers' addresses in his backpack, federal officials said. At the time ...

SPRINGFIELD, MASS. (WHDH) - A Springfield man has been arrested after allegedly 3D printing AR-15 guns in his home. “Ghost guns, or self-manufactured firearms that are fully functional and untraceable ...

A YouTuber this week posted a video of the inner mechanics behind the oft-polarizing AR-15 rifle. The video, in explaining exactly how the rifle works, shows why the weapon is an efficient, and ...