CLAIM: Sen. Chris Murphy (D-CT) used a post on X Tuesday to claim Donald Trump refused to ban bump stocks. VERDICT: False. Trump’s ATF banned bump stocks at his direction. I'm not going to mince words. By refusing to ban bump stocks and assault weapons, Donald Trump and Republicans are handing killers the tools of mass slaughter. pic.twitter.com/0rqktJKiy3 — Chris Murphy (@ChrisMurphyCT) June 19, 2024 The bump stock ban was announced in 2018, Trump’s second year in office, and went into effect March 26, 2019.