HB 1144·CO·house
Prohibit Three-Dimensional Printing Firearms & Components
Signed into LawFiled Feb 4, 2026
Sponsor: Andy Boesenecker (D)
Latest Action
Governor Signed
May 4, 2026
Summary
The law creates a new crime that makes it illegal to knowingly produce a functional gun or parts such as frames, receivers, large‑capacity magazines, or rapid‑fire devices using a 3‑D printer or CNC mill. First offenses are class‑1 misdemeanors and repeat offenses become class‑5 felonies. Exemptions apply to federally licensed manufacturers and accredited gunsmithing programs used for education.
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