President Joe Biden signed an executive order on Sept. 26 to crack down on 3D-printed guns and improve active shooter drills in schools throughout the country.
Biden and Vice President Kamala Harris discussed the order during a joint event on gun violence at the White House on Thursday.
The first prong of the order targets machine gun conversion devices—which can convert a pistol or semi-automatic gun into an automatic—and 3D-printed guns.
Under federal law, a machine gun is a firearm that fires continuously while the trigger is depressed.
Commonly called “Glock switches” or “auto sears,” machine gun conversion devices are illegal after-market parts that alter a gun’s trigger to allow legal semi-automatic firearms to operate as illegal, fully automatic weapons….