Bill

Bill > HB1144


CO HB1144

CO HB1144
Prohibit Three-Dimensional Printing Firearms & Components


summary

Introduced
02/04/2026
In Committee
03/19/2026
Crossed Over
03/05/2026
Passed
04/02/2026
Dead

Introduced Session

2026 Regular Session

Bill Summary

The bill defines 3-dimensional printing to mean additive and subtractive manufacturing. The bill prohibits each of the following: ! Manufacturing or producing a 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. ! Possessing, in circumstances that indicate intent to manufacture a firearm or firearm component in violation of state law or intent to distribute, digital instructions that may be used to program a 3-dimensional printer or a computer numerical control (CNC) milling machine to manufacture or produce a firearm or firearm component. The prohibition does not apply to a federally licensed firearm manufacturer who possesses digital instructions in circumstances that indicate intent to manufacture a firearm or firearm component. ! Distributing digital instructions that may be used to program a 3-dimensional printer or CNC milling machine to manufacture or produce a firearm or firearm component. The bill does not prohibit possession of digital instructions in circumstances that indicate intent to distribute to, or distributing digital instructions to, a federally licensed firearm manufacturer. A violation of any of the prohibitions in the bill is a class 1 misdemeanor; except that a second or subsequent offense is a class 5 felony.

AI Summary

This bill prohibits individuals from knowingly manufacturing or producing a firearm or firearm component, defined as an unfinished frame or receiver, large-capacity magazine, or rapid-fire device, using three-dimensional printing, which includes both adding and removing material through devices like 3D printers or CNC milling machines. This prohibition does not apply to federally licensed firearm manufacturers or to instructors or students in accredited gunsmithing programs for educational purposes, and it specifically excludes the creation of non-functioning or prop firearms. Violations are classified as a class 1 misdemeanor, escalating to a class 5 felony for repeat offenses, and the law takes effect on July 1, 2026.

Committee Categories

Justice, Military Affairs and Security

Sponsors (38)

Andrew Boesenecker (D)* Lindsay Gilchrist (D)* Tom Sullivan (D)* Katie Wallace (D)* Judy Amabile (D),  Jennifer Bacon (D),  Adrienne Benavidez (D),  Kyle Brown (D),  Sean Camacho (D),  Michael Carter (D),  James Coleman (D),  Lisa Cutter (D),  Jessie Danielson (D),  Lindsey Daugherty (D),  Cecelia Espenoza (D),  Meg Froelich (D),  Lori Goldstein (D),  Julie Gonzales (D),  Eliza Hamrick (D),  Jamie Jackson (D),  Iman Jodeh (D),  Junie Joseph (D),  Cathy Kipp (D),  Chris Kolker (D),  Mandy Lindsay (D),  William Lindstedt (D),  Julie McCluskie (D),  Karen McCormick (D),  Kenny Nguyen (D),  Manny Rutinel (D),  Gretchen Rydin (D),  Emily Sirota (D),  Lesley Smith (D),  Rebekah Stewart (D),  Michael Weissman (D),  Jenny Willford (D),  Steven Woodrow (D),  Yara Zokaie (D), 

Last Action

House Second Reading Calendar (00:00:00 4/2/2026 House Floor) (on 04/02/2026)

bill text


bill summary

Loading...

bill summary

Loading...

bill summary

Document Type Source Location
State Bill Page https://leg.colorado.gov/bills/HB26-1144
House Committee of the Whole Amendment H.003 https://leg.colorado.gov/bill_amendments/18896/download
House Committee of the Whole Amendment H.004 https://leg.colorado.gov/bill_amendments/18897/download
House Committee of the Whole Amendment H.001 https://leg.colorado.gov/bill_amendments/18898/download
House Committee of the Whole Amendment H.005 https://leg.colorado.gov/bill_amendments/18899/download
BillText https://leg.colorado.gov/bill_files/113832/download
BillText https://leg.colorado.gov/bill_files/113808/download
Second Reading Amendment L.040 https://leg.colorado.gov/bill_amendments/18858/download
Second Reading Amendment L.051 https://leg.colorado.gov/bill_amendments/18859/download
Second Reading Amendment L.050 https://leg.colorado.gov/bill_amendments/18855/download
Second Reading Amendment L.047 https://leg.colorado.gov/bill_amendments/18856/download
Second Reading Amendment L.054 https://leg.colorado.gov/bill_amendments/18857/download
Second Reading Amendment L.045 https://leg.colorado.gov/bill_amendments/18853/download
Second Reading Amendment L.055 https://leg.colorado.gov/bill_amendments/18852/download
Second Reading Amendment L.039 https://leg.colorado.gov/bill_amendments/18851/download
Second Reading Amendment L.053 https://leg.colorado.gov/bill_amendments/18850/download
Second Reading Amendment L.056 https://leg.colorado.gov/bill_amendments/18848/download
Second Reading Amendment L.052 https://leg.colorado.gov/bill_amendments/18842/download
Fiscal Note First Revised Fiscal Note https://leg.colorado.gov/bill_files/113116/download
BillText https://leg.colorado.gov/bill_files/112749/download
BillText https://leg.colorado.gov/bill_files/112679/download
Second Reading Amendment L.024 https://leg.colorado.gov/bill_amendments/18134/download
Second Reading Amendment L.015 https://leg.colorado.gov/bill_amendments/18135/download
Second Reading Amendment L.032 https://leg.colorado.gov/bill_amendments/18132/download
Second Reading Amendment L.008 https://leg.colorado.gov/bill_amendments/18133/download
Second Reading Amendment L.027 https://leg.colorado.gov/bill_amendments/18130/download
Second Reading Amendment L.012 https://leg.colorado.gov/bill_amendments/18131/download
Second Reading Amendment L.011 https://leg.colorado.gov/bill_amendments/18129/download
Second Reading Amendment L.019 https://leg.colorado.gov/bill_amendments/18128/download
Second Reading Amendment L.005 https://leg.colorado.gov/bill_amendments/18127/download
Second Reading Amendment L.036 https://leg.colorado.gov/bill_amendments/18126/download
Second Reading Amendment L.033 https://leg.colorado.gov/bill_amendments/18124/download
Second Reading Amendment L.016 https://leg.colorado.gov/bill_amendments/18123/download
Second Reading Amendment L.029 https://leg.colorado.gov/bill_amendments/18122/download
Second Reading Amendment L.006 https://leg.colorado.gov/bill_amendments/18121/download
Second Reading Amendment L.023 https://leg.colorado.gov/bill_amendments/18119/download
Second Reading Amendment L.034 https://leg.colorado.gov/bill_amendments/18120/download
Second Reading Amendment L.013 https://leg.colorado.gov/bill_amendments/18118/download
Second Reading Amendment L.004 https://leg.colorado.gov/bill_amendments/18117/download
Second Reading Amendment L.003 https://leg.colorado.gov/bill_amendments/18115/download
Second Reading Amendment L.025 https://leg.colorado.gov/bill_amendments/18116/download
Second Reading Amendment L.009 https://leg.colorado.gov/bill_amendments/18114/download
House Judiciary Amendment L.001 https://leg.colorado.gov/bill_amendments/17882/download
Fiscal Note FN1 https://leg.colorado.gov/bill_files/111724/download
BillText https://leg.colorado.gov/bill_files/111311/download
Loading...