AdvertisementBump Stocks Will Soon Be Illegal, But That's Not Stopping SalesFebruary 04, 2019Martin KastefacebookEmailShooting instructor Frankie McRae aims an AR-15 rifle fitted with a "bump stock" that allows the semi-automatic to shoot as fast as an illegal machine gun. As of March 26, bump stocks will be effectively illegal to own unless a court puts an injunction on the federal ban. (AP)