The weapon, known better as an AR-style pistol, is modeled after popular semi-automatic rifles such as the AR-15 and AK-47 and has a rear attachment called a “stabilizing brace.” ...

What is an AR-15 rifle, and why is it so popular. A similar firearm was used by the Jacksonville, Florida shooter at a Dollar General, officials said.

New AR-15 rifles can sell for $400 to $2,000 and nearly every major gun manufacturer produces one. Ammunition is inexpensive and can be bought in bulk online, and magazines are interchangeable ...

The AR-15 rifle is not a machine gun ... A 29-year-old man used a Sig Sauer MCX and a 9mm Glock semi-automatic pistol to kill 49 people and injure 50 at an Orlando nightclub before he was ...

Reports said Royal told police, when asked, that there was an AR-15 in the gate of the Jeep. Police found the rifle, which did not have a magazine inserted, but it did have one live round in the ...

A federal court judge on Tuesday ruled New Jersey’s ban on AR-15 rifles is unconstitutional, a decision that could force the state to lift its decades-old prohibition on certain semi-automatic ...

"As the deputies arrived at the scene, the suspect fired an AR-15 rifle at them, missing them," the post says ... residents urged to stay inside The AR-15 along with a pistol were recovered by ...