Automatic Gunfire Prevention Act

“(v)

“(1) Except as provided in paragraph (2), on and after the date that is 180 days after the date of enactment of this subsection, it shall be unlawful for any person to import, sell, manufacture, transfer, or possess, in or affecting interstate or foreign commerce, a trigger crank, a bump-fire device, or any part, combination of parts, component, device, attachment, or accessory that is designed or functions to accelerate the rate of fire of a semiautomatic rifle but not convert the semiautomatic rifle into a machinegun.

“(2) This subsection does not apply with respect to the importation for, manufacture for, sale to, transfer to, or possession by or under the authority of, the United States or any department or agency thereof or a State, or a department, agency, or political subdivision thereof.”