On April 11, 2022, the Attorney General signed ATF final rule 2021R-05F, Definition of “Frame or Receiver” and Identification of Firearms. The goal of the final rule is to ensure the proper marking, recordkeeping, and traceability of all firearms manufactured, imported, acquired and disposed by federal firearms licensees.
The rule will go into effect August 24, 2022; 120 days from the date of publication in the Federal Register.
On April 11, 2022, the Attorney General signed ATF final rule, Definition of “Frame or Receiver” and Identification of Firearms, amending ATF’s regulations by removing and replacing the regulatory definitions of “firearm frame or receiver” and “frame or receiver” using examples and diagrams to clearly convey what is a “frame or receiver,” amending the definitions of “firearm” and “gunsmith,” providing definitions of terms such as “complete weapon,” “complete muffler or silencer device,” “privately made firearm” and “readily,” and amending regulations on marking and recordkeeping.
- *New Overview of Final Rule 2021R-05F Definition of “Frame or Receiver” and Identification of Firearms
- *New Training Aid for the Overview of Final Rule 2021R-05F Definition of "Frame or Receiver" and Identification of Firearms
- Regulatory Impact Analysis and Final Regulatory Flexibility Analysis (PDF, 1.04 MB)
- Press Release: Justice Department Announces New Rule to Modernize Firearm Definitions
- DOJ Fact Sheet: Privately Made Firearms (PMFs), aka “Ghost Guns,” “Buy-Build-Shoot” kits, and the “Frame or Receiver” Final Rule
- Notice of Proposed Rulemaking (NPRM)
- NPRM Regulatory Impact Analysis (PDF, 430 KB)
- NPRM Comments
- ATF eRegulations
For questions regarding the application of the final rule, contact the Firearms Industry Programs Branch at FIPB@atf.gov.
For technical questions regarding firearms, contact the Firearms and Ammunition Technology Division at email@example.com.
For questions regarding the rulemaking process, contact the Office of Regulatory Affairs at ORA@atf.gov.