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Michigan · 2025-2026 Regular Session · Bill

SB 331: 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.

Passed one chamber Official data

  1. Introduced
  2. In committee
  3. Passed one chamber
  4. Passed both chambers
  5. Enacted

Last official action: ·Record last updated:

Plain-language summary

SB 331 is a bill introduced in the Michigan Senate on May 29, 2025. According to its official title, it concerns: 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. Primary sponsor: Mallory McMorrow (Democratic). It lists 8 additional sponsors. Most recent recorded action (June 25, 2025): referred to Committee on Government Operations.

Generated automatically from the official title, sponsor list, and status record only. It does not characterize the bill’s purpose or effects. How summaries are written

Sponsors

Sponsors by party (alphabetical): Democratic 9

NameRolePartyChamberDistrict
Mallory McMorrowPrimary sponsorDemocraticSenate8
Rosemary BayerCo-sponsorDemocraticSenate13
Mary CavanaghCo-sponsorDemocraticSenate6
Stephanie ChangCo-sponsorDemocraticSenate3
Jeff IrwinCo-sponsorDemocraticSenate15
Veronica KlinefeltCo-sponsorDemocraticSenate11
Dayna PolehankiCo-sponsorDemocraticSenate5
Sue ShinkCo-sponsorDemocraticSenate14
Paul WojnoCo-sponsorDemocraticSenate10

“Support” is shown only as formal sponsorship recorded by the legislature. Roll-call votes are available on the official bill page.

Recent official actions

  1. referred to Committee on Government Operations
  2. read a first time
  3. received on 06/25/2025
  4. PASSED ROLL CALL # 175 YEAS 19 NAYS 17 EXCUSED 1 NOT VOTING 0
  5. PLACED ON ORDER OF THIRD READING
  6. REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S)
  7. REFERRED TO COMMITTEE OF THE WHOLE
  8. REPORTED FAVORABLY WITHOUT AMENDMENT 6/5/2025
  9. REFERRED TO COMMITTEE ON CIVIL RIGHTS, JUDICIARY, AND PUBLIC SAFETY
  10. INTRODUCED BY SENATOR MALLORY MCMORROW

Sources

  1. Open States / Plural (data from the official legislature website)
  2. Official legislature source