** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** While building an AR-15 rifle for ...

The 15-year-old accused of bringing an AR-15 to his Phoenix high school last week also allegedly possessed a device that would allow the weapon to function as a fully automatic machine gun, according ...

WASHINGTON -- If you want to talk about guns, get the terminology right. That's an adage from a number of firearms owners and enthusiasts who say terms like "assault weapon" and "automatic weapon" are ...

The AR-15 semi-automatic rifle is one of the most popular guns in the U.S., and one of the most reviled. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive ...