When is a paperweight a firearm? When the U.S. Supreme Court overrules sensible lower court decisions so the federal government can regulate inert objects as if they were capable of firing bullets.

For the last hour, in a backroom of a gun range in Arabi, Louisiana, I’ve been building Luigi Mangione’s gun. Well, not his, in the literal sense. The not-quite-finished firearm in my hands is very ...

Sara Abel, the public information officer for the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) Dallas Field Division, points out a machine gun conversion device on a pistol during a press ...