MS HB850

Creates criminal penalties for selling, offering to sell, or transferring unserialized firearms or unfinished frames/receivers, unless to federal firearms licensees; first offense is a felony punishable by up to $25,000 fine or 1-3 years imprisonment, and second offense carries 3-7 years.

Prohibits possession, transport, or receipt of unserialized unfinished frames or receivers beginning January 1, 2026, unless the item has been serialized or the possessor is a federal firearms licensee; violations are misdemeanors ($2,500 fine or up to 1 year jail) with second offense as felony (5-10 years).

Requires all firearms manufactured using 3D printing technology to be serialized by August 1, 2025, with serial numbers applied by federally licensed dealers using the format of their license number as prefix followed by a suffix number.

Exempts antique firearms, firearms manufactured before October 22, 1968, permanently inoperable firearms, items held by licensed manufacturers/importers in compliance with federal law, and firearms inherited within 30 days.

Directs the Commissioner of Public Safety to publish notice of serialization requirements on the Department of Public Safety website and to licensed firearms dealers statewide; effective July 1, 2025.