New York has enacted a first-in-the-nation law targeting 3D printers capable of producing firearm components, while California is advancing similar legislation that could impose strict compliance requirements on future 3D printer sales. The measures have sparked debate over firearm rights, digital files, and emerging manufacturing technology.

New York’s law requires future 3D printers sold or distributed in the state to incorporate technology capable of detecting and blocking print files associated with firearms or certain firearm parts. The law also includes penalties related to the distribution of specific digital files and code connected to firearm production.

Meanwhile, California’s AB 2047 is moving through the legislative process and would establish compliance standards, performance requirements, and implementation deadlines for 3D printer manufacturers. If enacted, the law would require compliance beginning in 2029 and could significantly impact the availability of new 3D printers in the state.

Supporters argue the laws are intended to address untraceable firearms, while critics contend the measures raise constitutional concerns involving free speech, technological innovation, and the right to manufacture firearms for lawful purposes. Legal challenges are expected as both states continue pushing the boundaries of firearm-related regulation.