; and (2) in paragraph (3)(E), by inserting 922(v), after 922(n), . 4. Penalties Section 924(a)(1)(B) of title 18, United States Code, is amended by striking or (q) and inserting (q), or (v) . 5. Use of Byrne grants for buy-back programs for firearm silencers and firearm mufflers (a) In general Section 501(a)(1) of title I of the Omnibus Crime Control and Safe Streets Act of 1968 ( 34 U.S.C. 10152(a)(1) ) is amended by adding at the end the following: (J) Compensation for surrendered firearm silencers and firearm mufflers, as those terms are defined in section 921 of title 18, United States Code, under the buy-back program for firearm silencers and firearm mufflers required under section 5(b) of the Help Empower Americans to Respond Act of 2023 . . (b) Requirement During the 90-day period described in section 6, the Attorney General shall establish and implement a buy-back program, to be carried out across the United States, to purchase firearm silencers and firearm mufflers (as defined in section 921(a) of title 18, United States Code) from individuals seeking to comply with the requirements of this Act and the amendments made by this Act. 6. Effective date The amendments made by sections 2, 3, and 4 shall take effect on the date that is 90 days after the date of enactment of this Act. 7. Severability If any provision of this Act, an amendment made by this Act, or the application of such provision or amendment to any person or circumstance is held to be unconstitutional, the remainder of this Act, the amendments made by this Act, and the application of such provision or amendment to any person or circumstance shall not be affected thereby.