2025 Senate Bill 332

Weapons: firearms; sentencing guidelines; update.

A bill to amend 1927 PA 175, entitled “The code of criminal procedure,” by amending section 11b of chapter XVII (MCL 777.11b), as amended by 2023 PA 22.

Senate Fiscal Agency Analysis

Senate Bills 331 & 332 would amend the handgun licensure Act to do the following:-- Prohibit an individual from manufacturing, assembling, importing, purchasing, selling, or transferring a firearm, frame, or receiver that did not have a valid serial number.-- Prescribe the serialization requirements for a firearm or completed or unfinished frame.-- Beginning 18 months after the bill's effective date, prohibit a person from knowingly possessing a firearm or any completed or unfinished frame or receiver that was not imprinted with a valid serial number.-- Prohibit the use of a three-dimensional (3D) printer or computer numerical control milling machine for unlicensed firearm manufacturing.-- Prohibit an unlicensed individual from manufacturing more than five firearms annually and require the individual to notify the Michigan State Police within 10 days of producing a firearm.-- Prescribe misdemeanor and felony penalties for violating the bill's provisions.-- Specify that the bill's prohibitions would not apply to antique or inoperative firearms, transactions involving law enforcement agencies, law enforcement activities, or buyback programs, among other things.-- Require a person who moved into the State to comply with the serialization requirements within 90 days of moving.

Introduced in the Senate

May 29, 2025

Introduced by Sen. Mallory McMorrow (D-8) and eight co-sponsors

Co-sponsored by Sens. Dayna Polehanki (D-5), Sue Shink (D-14), Stephanie Chang (D-3), Jeff Irwin (D-15), Paul Wojno (D-10), Rosemary Bayer (D-13), Veronica Klinefelt (D-11) and Mary Cavanagh (D-6)

Referred to the Committee on Civil Rights, Judiciary, and Public Safety

June 5, 2025

Reported without amendment

June 10, 2025

Referred to the Committee of the Whole

June 11, 2025

Reported without amendment

June 25, 2025

Passed in the Senate 19 to 17 (details)

Received in the House

June 25, 2025

Referred to the Committee on Government Operations