The Five Best US Machine Guns Ever Produced: The United States military has produced some incredible machine guns throughout history, but worldwide, the machine gun has changed warfare forever.

FILE - A semi-automatic pistol with a conversion device installed making it fully automatic is fired as four empty shell casings fly out of the weapon, at the Bureau of Alcohol, Tobacco, Firearms, and ...

The Trump administration has decided to permit the sale of devices that enable standard firearms to fire like machine guns, a move that one person familiar with the matter said was “by far the most ...