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 ...

This rifle has also been common denominator in some of the country’s worst mass shootings AR-15s fire high-velocity bullets that travel at triple the speed of a handgun round, are accurate over long ...

Longtime journalist and Fox News co-host Geraldo Rivera received a wave of criticism on Twitter Tuesday after incorrectly identifying the AR-15 as an "automatic rifle." In an exchange on the opinion ...

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 ...

The civilian AR-15, which has appeared in mass shootings including the one that killed 17 people at a Parkland, Florida, high school in February, has only semi-automatic settings. A bump stock was not ...