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.

Michigan Senate Bill 0331 (2025-2026 session) proposes that all firearm components must have serial numbers. This means that manufacturing, assembling, importing, purchasing, selling, or transferring firearms without serial numbers would be prohibited. The bill aims to enhance firearm traceability and accountability by ensuring that every part of a firearm can be individually identified.

Supporters of SB0331 argue that requiring serial numbers on all firearm components will aid law enforcement in tracking firearms used in crimes, potentially reducing gun violence. They believe this measure will close loopholes that allow untraceable firearms, often referred to as 'ghost guns,' to circulate.

Opponents of the bill contend that it imposes unnecessary regulations on law-abiding gun owners and manufacturers. They argue that the requirement could lead to increased costs and administrative burdens without significantly impacting crime rates. Some also view it as an infringement on Second Amendment rights.