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HB 1144STATE · ColoradoIntroduced

Prohibit Three-Dimensional Printing Firearms & Components

The act defines 3-dimensional printing to mean additive and subtractive manufacturing. The act prohibits knowingly manufacturing or producing a potentially functioning firearm, unfinished frame or receiver, large-capacity magazine, or rapid-fire device (firearm or firearm component) by 3-dimensional printing. The prohibition does not apply to a federally licensed firearm manufacturer, an instructor or student of an accredited gunsmithing program, or an institution that operates an accredited gunsmithing program. Unlawful 3-dimensional printing of a firearm or firearm component is a class 1 misdemeanor; except that a second or subsequent offense is a class 5 felony.     The prohibitions in the act only apply to potentially functional firearms and firearm components.(Note: This summary applies to this bill as enacted.)

Voted: 5/4/2026Source

How representatives voted

22 yea·39 nay·9 other

Action history

  • 4/23/2026Sent to the Governor
  • 4/22/2026Signed by the President of the Senate
  • 4/22/2026Signed by the Speaker of the House
  • 4/2/2026House Considered Senate Amendments - Result was to Concur - Repass
  • 3/31/2026House Considered Senate Amendments - Result was to Laid Over Daily
  • 3/30/2026Senate Third Reading Reconsidered - No Amendments
  • 3/30/2026Senate Third Reading Passed - No Amendments
  • 3/27/2026Senate Second Reading Passed with Amendments - Floor
  • 3/26/2026Senate Second Reading Laid Over to 03/27/2026 - No Amendments
  • 3/25/2026Senate Second Reading Laid Over to 03/26/2026 - No Amendments