The court’s about-face on an en banc rehearing of a preliminary injunction denial means a Utah man must give up his bump stock while his challenge of the ban goes through the courts. A bump stock is attached to a semiautomatic rifle at the Gun Vault store and shooting range on Oct. 4, 2017, in South Jordan, Utah. (AP Photo/Rick Bowmer) (CN) — A deeply divided 10th Circuit declined Friday to revisit whether the last man in America to legally own a bump stock can keep his device while a federal lawsuit challenging the legality of the devices goes through the courts.