President Donald Trump's administration agreed to permit the sale and possession of devices that let gun enthusiasts convert semiautomatic rifles into weapons that can shoot as fast as machine guns.

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 ...

Few weapons have defined the tempo of modern warfare quite like the machine gun. It isn’t a new concept by any means, with the notion of rapid fire volleys being something dating back to the Age of ...