The bullet from an AR-15 rifle leaves the muzzle at three times the speed of a handgun bullet. That means it has plenty of energy to “distribute” inside the body upon collision.

A trio firing off an AR-15 rifle at makeshift targets at a homemade “range” on the Florida Keys could have had deadly consequences Thursday, deputies said.

Social media erupted on Tuesday in response to a Democratic Senate candidate firing an AR-15 at a gun range that resulted in a local reporter being struck by a bullet fragment. "Great day at the ...

It's the civilian variation of the ArmaLite AR-15, a variant of the AR-10 designed by Eugene Stoner in the 1950s. The ArmaLite AR-15 was extremely lightweight, easy to care for, and highly adaptable.

Three people in the Florida Keys are accused of firing an AR-15 at homemade targets which led to one bullet entering a residence while two victims were inside.

A man with an AR-15 assault rifle shot at three Monroe County Sheriff’s Office vehicles while deputies were responding to an apartment complex in Marathon on Thursday before taking his own life ...