Michigan 2025-2026 Regular Session

Michigan House Bill HB4479

Introduced
5/8/25  

Caption

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.

Impact

This bill significantly impacts state laws by enhancing accountability among firearm manufacturers and sellers. It will create a clearer framework for the legislation surrounding firearms, prioritizing public safety and reducing the potential for illegal firearm trafficking. State and local law enforcement agencies are expected to have improved tools for tracking firearms and addressing gun violence associated with untraceable guns. The inclusion of conditions for ghost gun precursors will also aim to limit access to unregulated firearm components that can be easily obtained and assembled.

Summary

House Bill 4479 aims to amend existing Michigan laws regarding the regulation and licensing of firearms by introducing stricter requirements for the manufacturing and possession of firearms and their components. Specifically, it prohibits the manufacture, sale, or transfer of firearms that lack a valid serial number and targets 'ghost guns' and undetectable firearms. Additionally, the bill mandates that individuals who manufacture firearms without a license must imprint their creations with valid serial numbers within a set timeframe and report specific details to state authorities.

Contention

Notable points of contention surrounding HB4479 include concerns from gun rights advocates claiming that such regulations infringe upon Second Amendment rights. Critics argue that the legislation could create unnecessary barriers for law-abiding citizens while failing to address the root causes of gun violence. Proponents of the bill respond that any restrictions are a necessary response to the rising prevalence of ghost guns and undetectable firearms, which bypass conventional tracking systems, thus posing a significant threat to public safety.

Companion Bills

MI HR0002

Same As A resolution to provide for Rachelle Smit to be Speaker Pro Tempore of the House of Representatives for the One Hundred Third Legislature.

Previously Filed As

MI 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.

MI HB5065

Occupations: business licensing and registration; license to sell firearms at retail; provide for. Amends 1927 PA 372 (MCL 28.421 - 28.435) by adding secs. 12c, 14b & 14c.

MI SB0854

Occupations: business licensing and registration; license to sell firearms at retail; provide for. Amends 1927 PA 372 (MCL 28.421 - 28.435) by adding secs. 14b & 14c.

MI SB0853

Occupations: business licensing and registration; license to sell firearms at retail; provide for. Amends 1927 PA 372 (MCL 28.421 - 28.435) by adding sec. 12c. TIE BAR WITH: SB 0854'26

MI HB5654

Weapons: firearms; 1927 PA 372; update references. Amends secs. 2, 2a, 5b, 5o, 12 & 15 of 1927 PA 372 (MCL 28.422 et seq.). TIE BAR WITH: HB 5653'26

MI SB0407

Weapons: firearms; 1927 PA 372; update references. Amends secs. 2, 2a, 5b, 5o, 12 & 15 of 1927 PA 372 (MCL 28.422 et seq.). TIE BAR WITH: SB 406'25

MI SB0539

Consumer protection: other; do-not-sell list for firearms; create. Amends secs. 1 & 2 of 1927 PA 372 (MCL 28.421 & 28.422) & adds sec. 12c.

MI SB0332

Weapons: firearms; sentencing guidelines; update. Amends sec. 11b, ch. XVII of 1927 PA 175 (MCL 777.11b). TIE BAR WITH: SB 331'25

MI HB4803

Weapons: concealed; certain requirements related to concealed weapons; waive for certain members of the military. Amends sec. 12a of 1927 PA 372 (MCL 28.432a).

MI HB4139

Weapons: firearms; firearms law; amend to reflect repeal of the extreme risk protection order act. Amends secs. 2, 2b, 5b & 8 of 1927 PA 372 (MCL 28.422 et seq.). TIE BAR WITH: HB 4140'25, HB 4140'25

Similar Bills

MI 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.

MI SB0332

Weapons: firearms; sentencing guidelines; update. Amends sec. 11b, ch. XVII of 1927 PA 175 (MCL 777.11b). TIE BAR WITH: SB 331'25

IA SF2123

A bill for an act relating to identification markings on firearms and firearm parts, and providing penalties.

MS HB434

Unserialized firearms ("ghost guns"); create crime of possession of.

MS HB850

Unserialized firearms ("ghost guns"); create crime of possession of.

MN SF3661

Prohibit the sale and possession of ghost guns

MN HF3407

Sale and possession of ghost guns prohibited, 3D printing of guns limited to federally licensed firearms manufacturers, distribution of 3D printer firearm design files prohibited, firearm serial numbers required, public notice required, and limits on assembling firearms without license provided.

CT HB05043

An Act Concerning Convertible Pistols, Unfinished Frames Or Unfinished Lower Receivers, Voluntary Relinquishment Of Firearms And Ammunition And Refundability Of Permits For Sale At Retail Of Firearms And For Carrying Of Pistols And Revolvers.