republic-os/legislation/us/states/co/2025a/hb-25-1133.md

type, title, description, jurisdiction, legislature, session, identifier, citation, classification, subjects, status, primary_sponsors, version_count, action_count, vote_count, first_action, last_action, source, source_identifier, source_url, source_hash, vintage, source_snapshot, retrieved_at, confidence, tags

type	title	description	jurisdiction	legislature	session	identifier	citation	classification	subjects	status	primary_sponsors	version_count	action_count	vote_count	first_action	last_action	source	source_identifier	source_url	source_hash	vintage	source_snapshot	retrieved_at	confidence	tags
Bill	Requirements for Sale of Firearms Ammunition	The act requires that ammunition sold at retail must be accessible to a purchaser or transferee only with the assistance of the vendor, and the act prohibits the retail sale of ammunition to a person who is younger than 21 years of age. The act includes exceptions for in-person sales to persons who are 18-20 years of age at shooting ranges, who are members of the military and veterans, who have a hunter education certification, who are protected by a protection order, or who were born on or before January 28, 2007; sales to on-duty peace officers; and sales of rimfire ammunition. Unlawful sale of ammunition by violating either requirement is a civil infraction; except that a second or subsequent violation is a class 1 misdemeanor.	us/states/co	Colorado General Assembly	2025A	HB 25-1133	Colorado HB 25-1133 (2025A)	bill		enacted	Cathy Kipp Judy Amabile Lindsay Gilchrist Monica Duran	10	17	11	2025-01-28T07:00:00+00:00	2025-04-18T06:00:00+00:00	openstates	ocd-bill/4183ca16-7655-4da5-b294-292a3943a4cb	https://leg.colorado.gov/bills/hb25-1133	dcc89c255a966cae3c64e34092bc539850ca68f69d94e98ffd9106152cebb5ac	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-co

Colorado HB 25-1133 (2025A) — Requirements for Sale of Firearms Ammunition

The act requires that ammunition sold at retail must be accessible to a purchaser or transferee only with the assistance of the vendor, and the act prohibits the retail sale of ammunition to a person who is younger than 21 years of age. The act includes exceptions for in-person sales to persons who are 18-20 years of age at shooting ranges, who are members of the military and veterans, who have a hunter education certification, who are protected by a protection order, or who were born on or before January 28, 2007; sales to on-duty peace officers; and sales of rimfire ammunition. Unlawful sale of ammunition by violating either requirement is a civil infraction; except that a second or subsequent violation is a class 1 misdemeanor.

Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. Committee Amendment (committee substitute) — source
2. Engrossed (02/21/2025) (committee substitute) — source
3. Final Act (04/08/2025) (committee substitute) — source
4. Introduced (01/28/2025) (committee substitute) — source
5. PA1 (02/14/2025) (committee substitute) — source
6. PA2 (03/19/2025) (committee substitute) — source
7. Reengrossed (02/25/2025) (committee substitute) — source
8. Rerevised (03/25/2025) (committee substitute) — source
9. Revised (03/24/2025) (committee substitute) — source
10. Signed Act (04/18/2025) (committee substitute) — source

Votes

• COW * — 13–18 (fail) · upper
• BILL — 38–27 (pass) · lower
• COW * — 13–18 (fail) · upper
• PERM — 56–5 (pass) · lower
• REREFER — 22–39 (fail) · lower
• CONCUR — 43–20 (pass) · lower
• AMD — 22–37 (fail) · lower
• REPASS — 38–25 (pass) · lower
• BILL — 19–16 (pass) · upper
• AMD — 24–35 (fail) · lower
• AMD — 60–1 (pass) · lower

Sponsors

• Cathy Kipp — primary (person)
• Judy Amabile — primary (person)
• Lindsay Gilchrist — primary (person)
• Monica Duran — primary (person)
• A. Boesenecker — cosponsor (person)
• C. Kolker — cosponsor (person)
• D. Michaelson Jenet — cosponsor (person)
• E. Sirota — cosponsor (person)
• F. Winter — cosponsor (person)
• I. Jodeh — 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. Mabrey — cosponsor (person)
• K. Brown — cosponsor (person)
• K. Wallace — cosponsor (person)
• L. Cutter — cosponsor (person)
• L. Daugherty — cosponsor (person)
• L. García — 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)
• T. Story — cosponsor (person)
• T. Sullivan — cosponsor (person)
• W. Lindstedt — cosponsor (person)
• Y. Zokaie — cosponsor (person)

Timeline

The legislative action history — every referral, reading, and vote.

• 2025-04-18T06:00:00+00:00 Governor Signed executive-signature
• 2025-04-08T06:00:00+00:00 Sent to the Governor executive-receipt
• 2025-04-08T06:00:00+00:00 Signed by the President of the Senate
• 2025-04-07T06:00:00+00:00 Signed by the Speaker of the House
• 2025-03-28T06:00:00+00:00 House Considered Senate Amendments - Result was to Concur - Repass
• 2025-03-26T06:00:00+00:00 House Considered Senate Amendments - Result was to Laid Over Daily
• 2025-03-25T06:00:00+00:00 Senate Third Reading Passed - No Amendments passage, reading-3
• 2025-03-24T06:00:00+00:00 Senate Second Reading Passed with Amendments - Committee, Floor reading-2
• 2025-03-21T06:00:00+00:00 Senate Second Reading Laid Over to 03/24/2025 - No Amendments
• 2025-03-18T06:00:00+00:00 Senate Committee on State, Veterans, & Military Affairs Refer Amended to Senate Committee of the Whole committee-passage, referral-committee
• 2025-02-28T07:00:00+00:00 Introduced In Senate - Assigned to State, Veterans, & Military Affairs introduction
• 2025-02-25T07:00:00+00:00 House Third Reading Passed with Amendments - Floor passage, reading-3
• 2025-02-24T07:00:00+00:00 House Third Reading Laid Over Daily - No Amendments
• 2025-02-21T07:00:00+00:00 House Second Reading Special Order - Passed with Amendments - Committee, Floor
• 2025-02-19T07:00:00+00:00 House Second Reading Laid Over Daily - No Amendments
• 2025-02-13T07:00:00+00:00 House Committee on Business Affairs & Labor Refer Amended to House Committee of the Whole committee-passage, referral-committee
• 2025-01-28T07:00:00+00:00 Introduced In House - Assigned to Business Affairs & Labor introduction

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/4183ca16-7655-4da5-b294-292a3943a4cb. Confidence: reported (aggregated from official Colorado legislature records).