The federal government maintained the Second Amendment does not cover machine guns or the machine gun conversion device that ...

Federal prosecutors in Brooklyn argued in court this week that a device that makes it easier to fire a barrage of bullets violates a federal machine gun ban and should not be sold. But executives of ...

Over the past decade, Massachusetts streets have been marked by a rapid surge in homemade weapons with massive firepower. With the rise of illegal devices that can turn semiautomatic pistols into ...

A New York federal judge issued an order Tuesday temporarily barring two firearms companies from selling devices that prosecutors say convert AR-15 style rifles into machine guns, finding that ...