Legislation
3D-printed firearm laws, state by state.
2025–26 state measures that expressly address 3D-printer blocking, 3D firearm manufacture, digital firearm files, or serialization. Select a state for its bills and official links.
01 Print-blocking laws
Two states now require blocking technology on 3D printers.
California AB 2047
If ASTM publishes standards showing blocking is feasible, California DOJ sets minimum performance standards. A year later, 3D printers sold in the state must include firearm blocking technology.
Read the explainer Enacted · Ch. 55, Laws of 2026New York’s 3D printer law
A state working group decides whether blocking is technologically feasible. If it is, 3D printers sold in New York must include it one year after rules are issued.
Read the explainer02 Every tracked measure
A national question, moving state by state.
Scope: 2025–26 state measures expressly addressing printer blocking, 3D firearm manufacture, digital instructions, or serialization, together with selected related laws already in force. Map color reflects the most advanced listed measure. This focused tracker does not attempt to catalog every general firearm or ghost-gun bill. Each linked measure has substantive language within this scope; bills that merely repeat an existing definition are excluded. It is informational, may not be exhaustive, and is not legal advice. Statuses last reviewed September 28, 2026.