ATF agents provide Glock switch danger demonstration

This is a demonstration of use of a Glock switch on a semi-automatic gun at Birmingham Police firing range. Notice the trigger is pulled once. 17 rounds shot in less than 3 seconds. Now imagine an assault weapon with an extended clip with a conversion device on it. This is why we need more laws and stiffer penalties for the manufacturing, selling, possession, and use of conversions devices. | Randall Woodfin

A tiny and cheap device called a 'Glock switch' lets criminals create their own machine guns

What is a Glock Switch? How a small device turns handguns into machine guns

Proposed Maryland bill would ban any firearm that can be made fully automatic

What to know about 'Glock switches,' the devices that make handguns full auto