Gun Owners of America, another gun-rights group, contends people should have a Second Amendment right to own machine guns.

A Jacksonville man has been sentenced after illegally owning a pistol with a machine gun attachment device.

At least half of U.S. states now outlaw devices that can convert pistols into machine guns In New Mexico, police and prosecutors backed an effort to outlaw devices that convert pistols into ...

State laws are increasingly banning devices that convert pistols into machine guns, aligning with federal regulations. Known ...

In New Mexico, police and prosecutors backed an effort to outlaw devices that convert pistols into machine guns. In Alabama, the governor made it a priority. Lawmakers in both states - one led by ...

Two men are charged with using 3D printers and LEGO boxes to distribute 'machine gun conversion devices' across the U.S., ...

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 ...

Federal law prohibits possessing machine guns made after 1986, with some exceptions for law enforcement, the military and certain licensed dealers. Nearly all conversion devices are illegal ...