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HB26-1144: Prohibit Three-Dimensional Printing Firearms & Components

Private gunsmithing and book ban

CLICK HERE FOR THE CURRENT BILL TEXT

This Colorado bill represents a significant expansion of state-level restrictions on private firearm manufacturing, extending not just to physical activity (3D printing on CNC machining) but also to digital information sharing.

Core Provisions

  • Ban on 3D printing firearms or components:  
    • It would be illegal for any private individual to manufacture a firearm, unfinished frame, receiver, “large-capacity magazine,” or rapid-fire device using 3D printing or CNC milling.
    • Only federally licensed manufacturers (FFLs) and accredited gunsmithing programs are exempt.
    • A first offense is a Class 1 misdemeanor; a second is a Class 5 felony.
  • Ban on possessing or distributing CAD files or digital instructions:
    • Individuals would be prohibited from holding or sharing files that can produce firearms or components if they intend to manufacture or distribute them unlawfully.
    • Violating this section is labeled a civil infraction, but the language is extremely broad — it potentially criminalizes digital speech and information exchange between private citizens.
  • Effective date: July 1, 2026

Pro 2A Analysis and Concerns

  • Infringement on the Right to Self-Manufacture Arms
    • Historically, Americans have always had the right to make their own firearms for personal use, provided the weapons aren’t sold unlawfully or violate federal restrictions.
    • This bill strips that historic right entirely for anyone who doesn’t hold an FFL, creating a state-level prohibition where federal law still permits home builds.
  • Criminalization of Information and Code
    • The section restricting possession or distribution of “digital instructions” raises First and Second Amendment concerns.
    • Digital firearm blueprints have been recognized in federal court arguments as a form of protected speech. This bill effectively punishes citizens for owning or sharing knowledge about firearm design — an unprecedented move under both free speech and right-to-bear-arms doctrines.
  • Vague Scope and Enforcement Risks
    •  The language about “intent to manufacture” leaves enforcement to interpretation, meaning legitimate hobbyists or educators could face investigation simply for possessing design files or machinery.
    • Makerspaces, machining clubs, or even model builders could fall into gray areas if law enforcement suspects “intent.”
  • Educational and Gunsmithing Exemptions Are Narrow
    • Only accredited programs get exceptions. Independent gunsmith instructors or apprentices operating outside formal institutions — long part of American guncraft tradition — would be excluded.
  • Digital and Technological Overreach
    • The inclusion of CNC milling machines (not just 3D printers) brings traditional manufacturing tools under the same prohibition. This suggests legislative intent to expand regulation beyond plastic “ghost guns” to nearly all private firearm fabrication, even from solid metal.
  • Precedent for Broader Control
    • By restricting both physical and digital manufacturing, Colorado would create a template for future bans on firearm-related software, technical manuals, or innovation involving firearm components.
    • It could also chill technological research in defense manufacturing, engineering education, or open-source mechanical design.

SUMMARY

This dangerous bill:

  • Outlaws traditional private gun-making rights,
  • Restricts constitutionally protected digital speech, and
  • Sets up broad enforcement power over intent, technology, and information.
  • It represents a major escalation of state control over lawful firearm ownership and innovation, essentially criminalizing both tools and knowledge that were once part of ordinary American liberty.

UPDATE:

HB26-1144 has passed the Colorado House and is currently pending in the Senate, with a committee hearing set for March 19, 2026.

  • Passed House Judiciary Committee
  • Passed House on third reading, 40-25, March 2, 2026
  • Assigned to the Senate State, Veterans, & Military Affairs Committee.
  • Committee hearing scheduled for March 19, 2026

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