At least half of US states now outlaw devices that convert pistols into machine guns
A semi-automatic pistol with a conversion device installed making it fully automatic is fired as four empty shell casings fly ...
Md., Baltimore sue Glock over device enabling machine-gun fire
Firearms and Explosives. But some who make them illegally place Glock’s logo on the back. The devices cost about $20 and can also be made with a 3D printer. Baltimore Mayor Brandon Scott (D ...