SB0331

Weapons: firearms; requirement for all firearm components to contain serial numbers; provide for. Amends 1927 PA 372 (MCL 28.421 - 28.435) by adding sec. 14c.

Chamber Passed·6/25/25

Michigan SB0331 mandates serial numbers on all firearm components and frames manufactured in the state.

Michigan SB0331 amends existing law to require all firearm components and frames manufactured in the state to bear a valid serial number. This applies to both completed and unfinished frames or receivers. The serial number must be imprinted by a federally licensed gunsmith, manufacturer, or importer, or another entity authorized to serialize firearms. The bill prohibits the manufacture, assembly, importation, purchase, sale, offer for sale, or transfer of ownership of any firearm or frame or receiver without a valid serial number.

Included in complete analysis

  • Overview
  • Core Provisions
  • Implementation
  • Impact
  • Legal Framework
  • Critical Issues

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Where it stands

Last
Passed the Senate · 19–17 · Jun 25, 2025
Current
Government Operations Committee
Next
House floor vote

Sponsors

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9
0
Democratic CaucusRepublican Caucus

Roll Call Votes

19 Yea

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17 Nay

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1 Absent

R

Calendar

Jun 5, 2025

12:00 PM

Senate Civil Rights, Judiciary, and Public Safety

History

Jun 25, 2025

Senate

Passed Roll Call # 175 Yeas 19 Nays 17 Excused 1 Not Voting 0

Jun 25, 2025

House

Received On 06/25/2025

Jun 25, 2025

House

Read A First Time