Soldiers-of-fortune are back in force—manning Ukraine’s front lines, filling Gulf monarchies’ barracks and fighting Africa’s civil wars. Colombia, racked by decades of conflict, is a top ...

Arizona voters soon may get a chance to buy machine guns, short-barreled rifles, sawed-off shotguns and silencers for personal use without having to jump through federal hoops. Need a break?

A new generation of American gun owners who are younger, more racially diverse and drawn to tactical training and self-defense are regularly watching firearms channels. The content has garnered ...