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DOJ/ATF RIN: 1140-AA60 Publication ID: 2026 
Title: ●Revising Machine Gun Definition in Response to Supreme Court Decision 
Abstract:

This final rule is in response to the Supreme Court’s decision in Garland v. Cargill. The Supreme Court held that ATF exceeded its statutory authority in its December 2018 final rule titled Bump-Stock-Type Devices” by classifying a bump stock as a machine gun” because a semi-automatic rifle equipped with a non-mechanical bump-stock-type device is not a machine gun” under the National Firearms Act of 1934. Accordingly, ATF is removing from the three regulatory definitions of machine gun” the two sentences that incorporated bump-stocks into those definitions.

 

 

 

 
Agency: Department of Justice(DOJ)  Priority: Other Significant 
RIN Status: First time published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: No  Unfunded Mandates: No 
EO 14192 Designation: Deregulatory 
CFR Citation: 27 CFR 447.11    27 CFR 478.11    27 CFR 479.11   
Legal Authority: 22 U.S.C. 2778    E.O. 13637    5 U.S.C. 552(a)    18 U.S.C. 847, 921 to 931    44 U.S.C. 3504(h)    26 U.S.C. 5812    26 U.S.C. 5822    26 USC 7801    26 U.S.C. 7805   
Legal Deadline:  None
Timetable:
Action Date FR Cite
Final Rule  07/00/2026 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Vivian Chu
Chief
Department of Justice
Bureau of Alcohol, Tobacco, Firearms, and Explosives
99 New York Avenue NE,
Washington, DC 20226
Phone:202 648-7070
Email: ora@atf.gov