Glock semiautomatic pistols that are converted into full-auto weapons, Chicago argues, are effectively machine guns; weapons that U.S. civilians have been largely banned from owning since 1934.

Typical Glock pistols are semi-automatic, firing one shot with each pull of the trigger. Fully automatic weapons, known as machine guns, can fire continuously as long as the trigger is pulled.

The lawsuit against the Glock corporation, headquartered in Georgia, alleges that Glock executives knowingly make a product that can be easily converted into an illegal, full-auto weapon.

CHICAGO (CN) — The Windy City filed a new complaint against Glock in Cook County on Monday, calling again for the gun manufacturer to stop selling semiautomatic handguns that can be easily modified to ...

The ATF and Cincinnati police said Wednesday that they are finding guns illegally modified to make them fully automatic on a weekly basis. Also called a "chip" or "auto sear," it's a small device ...

Minnesota Attorney General Keith Ellison says his office is suing weapons manufacturer Glock Inc. for turning a "blind eye" over the tiny "switch" devices that can convert the company's semi ...