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republic-os/legislation/us/states/co/2026a/hb-1144.md
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---
type: "Bill"
title: "Prohibit Three-Dimensional Printing Firearms & Components"
description: "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.)"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2026A"
identifier: "HB 1144"
citation: "Colorado HB 1144 (2026A)"
classification: ["bill"]
subjects: ["Crimes", "Corrections", "& Enforcement"]
status: "enacted"
primary_sponsors: ["A. Boesenecker", "K. Wallace", "L. Gilchrist", "T. Sullivan"]
version_count: 7
action_count: 19
vote_count: 10
first_action: "2026-02-04"
last_action: "2026-05-04"
source: "openstates"
source_identifier: "ocd-bill/c03f86d8-3997-4dac-9ad6-2d92a3f50d05"
source_url: "https://leg.colorado.gov/bills/HB26-1144"
source_hash: "4bced5d14a68f229e1a0fa5659aaf91fcd2623c0cea6ff6f9225b736f8052a2b"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-co"]
---
# Colorado HB 1144 (2026A) — 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.)
## Version chain
The bill's text revisions, in order — the diff chain from filing to enrollment.
1. **Introduced** (filed) — [source](https://leg.colorado.gov/bill_files/111311/download)
2. **Engrossed** (committee substitute) — [source](https://leg.colorado.gov/bill_files/112679/download)
3. **Final Act** (committee substitute) — [source](https://leg.colorado.gov/bill_files/114671/download)
4. **Reengrossed** (committee substitute) — [source](https://leg.colorado.gov/bill_files/112749/download)
5. **Rerevised** (committee substitute) — [source](https://leg.colorado.gov/bill_files/113832/download)
6. **Revised** (committee substitute) — [source](https://leg.colorado.gov/bill_files/113808/download)
7. **Signed Act** (committee substitute) — [source](https://leg.colorado.gov/bill_files/115765/download)
## Votes
- REPASS — **pass** (pass) · upper
- Refer House Bill 26-1144 to the Committee of the Whole. — **pass** (pass) · upper
- CONCUR — **pass** (pass) · upper
- Refer House Bill 26-1144, as amended, to the Committee of the Whole. — **pass** (pass) · lower
- AMD (H.001) — **fail** (fail) · lower
- Adopt amendment L.001 (Attachment P). — **pass** (pass) · lower
- AMD (H.004) — **fail** (fail) · lower
- BILL — **pass** (pass) · lower
- AMD (H.005) — **fail** (fail) · lower
- AMD (H.003) — **fail** (fail) · lower
## Sponsors
- A. Boesenecker — primary (person)
- K. Wallace — primary (person)
- L. Gilchrist — primary (person)
- T. Sullivan — primary (person)
- A. Benavidez — cosponsor (person)
- C. Espenoza — cosponsor (person)
- C. Kipp — cosponsor (person)
- C. Kolker — cosponsor (person)
- E. Hamrick — cosponsor (person)
- E. Sirota — cosponsor (person)
- G. Rydin — cosponsor (person)
- I. Jodeh — cosponsor (person)
- J. Amabile — cosponsor (person)
- J. Bacon — cosponsor (person)
- J. Coleman — cosponsor (person)
- J. Danielson — cosponsor (person)
- J. Gonzales — cosponsor (person)
- J. Jackson — cosponsor (person)
- J. Joseph — cosponsor (person)
- J. McCluskie — cosponsor (person)
- J. Willford — cosponsor (person)
- K. Brown — cosponsor (person)
- K. McCormick — cosponsor (person)
- K. Nguyen — cosponsor (person)
- L. Cutter — cosponsor (person)
- L. Daugherty — cosponsor (person)
- L. Goldstein — cosponsor (person)
- L. Smith — cosponsor (person)
- M. Carter — cosponsor (person)
- M. Froelich — cosponsor (person)
- M. Lindsay — cosponsor (person)
- M. Rutinel — cosponsor (person)
- M. Weissman — cosponsor (person)
- R. Stewart — cosponsor (person)
- S. Camacho — cosponsor (person)
- S. Woodrow — cosponsor (person)
- W. Lindstedt — cosponsor (person)
- Y. Zokaie — cosponsor (person)
## Timeline
The legislative action history — every referral, reading, and vote.
- **2026-05-04** Governor Signed `executive-signature`
- **2026-04-23** Sent to the Governor `executive-receipt`
- **2026-04-22** Signed by the President of the Senate `passage`
- **2026-04-22** Signed by the Speaker of the House `passage`
- **2026-04-02** House Considered Senate Amendments - Result was to Concur - Repass
- **2026-03-31** House Considered Senate Amendments - Result was to Laid Over Daily
- **2026-03-30** Senate Third Reading Reconsidered - No Amendments
- **2026-03-30** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2026-03-27** Senate Second Reading Passed with Amendments - Floor `reading-2`
- **2026-03-26** Senate Second Reading Laid Over to 03/27/2026 - No Amendments
- **2026-03-25** Senate Second Reading Laid Over to 03/26/2026 - No Amendments
- **2026-03-24** Senate Second Reading Laid Over to 03/25/2026 - No Amendments
- **2026-03-19** Senate Committee on State, Veterans, & Military Affairs Refer Unamended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2026-03-05** Introduced In Senate - Assigned to State, Veterans, & Military Affairs `introduction`
- **2026-03-02** House Third Reading Passed - No Amendments `passage, reading-3`
- **2026-02-27** House Second Reading Special Order - Passed with Amendments - Committee, Floor
- **2026-02-23** House Second Reading Laid Over Daily - No Amendments
- **2026-02-18** House Committee on Judiciary Refer Amended to House Committee of the Whole `committee-passage, referral-committee`
- **2026-02-04** Introduced In House - Assigned to Judiciary `introduction`
## Source
OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/c03f86d8-3997-4dac-9ad6-2d92a3f50d05`. Confidence: reported (aggregated from official Colorado legislature records).