Those devices, some called "Glock switches," can be installed on handguns to automatically fire more than one shot, without manual reloading, by a single pull of the trigger.

Woodfin said the Crime Stoppers program would facilitate $1,000 rewards for the arrest of people caught in posession of gun ...

The devices, sometimes referred to as Glock switches, enable handguns to act like machine guns, firing more than one shot with a single pull of the trigger.