--- type: "Bill" title: "Firearms: unserialized firearms." description: "(1) Existing law defines a firearm precursor part as a component of a firearm that is necessary to build or assemble a firearm and is either an unfinished handgun frame or a specified unfinished receiver, receiver tube, or receiver flat. Under existing law, commencing July 1, 2022, a firearm precursor part is required to be sold through a licensed firearm precursor part vendor, as specified." jurisdiction: "us/states/ca" legislature: "California Legislature" session: "20212022" identifier: "AB 1621" citation: "California AB 1621 (20212022)" classification: ["bill"] subjects: ["Firearms: unserialized firearms."] status: "enacted" primary_sponsors: ["Gipson"] version_count: 7 action_count: 26 vote_count: 7 first_action: "2022-01-10" last_action: "2022-06-30" source: "openstates" source_identifier: "ocd-bill/2d2f6595-7eca-4775-9db2-2e56a75b4016" source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202120220AB1621" source_hash: "54a33610dad8e30c0fe3616010d1d52c6e9e7b752d4ee646a0c25bb1aafd24b9" 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-ca"] --- # California AB 1621 (20212022) — Firearms: unserialized firearms. (1) Existing law defines a firearm precursor part as a component of a firearm that is necessary to build or assemble a firearm and is either an unfinished handgun frame or a specified unfinished receiver, receiver tube, or receiver flat. Under existing law, commencing July 1, 2022, a firearm precursor part is required to be sold through a licensed firearm precursor part vendor, as specified. ## Version chain The bill's text revisions, in order — the diff chain from filing to enrollment. 1. **01/10/22 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1621&version=20210AB162199INT) 2. **03/24/22 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1621&version=20210AB162198AMD) 3. **06/15/22 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1621&version=20210AB162197AMD) 4. **06/22/22 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1621&version=20210AB162196AMD) 5. **06/30/22 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1621&version=20210AB162194CHP) 6. **AB1621** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202120220AB1621) 7. **06/30/22 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1621&version=20210AB162195ENR) ## Votes - 3rd Reading AB1621 Gipson et al. By Portantino Urgency Clause — **31–0** (pass) · upper - Do pass. — **12–4** (pass) · lower - Do pass — **6–0** (pass) · upper - Do pass, but first be re-referred to the Committee on [Appropriations] — **4–0** (pass) · upper - AB 1621 Gipson Assembly Third Reading — **63–0** (pass) · lower - AB 1621 Gipson Concurrence - Urgency Added — **62–14** (pass) · lower - Do pass and be re-referred to the Committee on [Appropriations] — **5–2** (pass) · lower ## Sponsors - Gipson — primary (person) - Cristina Garcia — coauthor (person) - Muratsuchi — author (person) - Rubio — coauthor (person) - Santiago — coauthor (person) - Ting — author (person) ## Timeline The legislative action history — every referral, reading, and vote. - **2022-01-10** Read first time. To print. `reading-1` - **2022-01-11** From printer. May be heard in committee February 10. - **2022-03-24** Referred to Com. on PUB. S. `referral-committee` - **2022-03-24** From committee chair, with author's amendments: Amend, and re-refer to Com. on PUB. S. Read second time and amended. `amendment-introduction, amendment-passage, reading-1, reading-2` - **2022-03-28** Re-referred to Com. on PUB. S. `referral-committee` - **2022-04-20** Coauthors revised. - **2022-04-20** From committee: Do pass and re-refer to Com. on APPR. (Ayes 5. Noes 2.) (April 19). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee` - **2022-05-11** In committee: Set, first hearing. Referred to suspense file. `referral-committee` - **2022-05-19** From committee: Do pass. (Ayes 12. Noes 4.) (May 19). `committee-passage, committee-passage-favorable` - **2022-05-19** Read second time. Ordered to third reading. `reading-1, reading-2` - **2022-05-25** Read third time. Passed. Ordered to the Senate. (Ayes 63. Noes 0. Page 4981.) `passage, reading-1, reading-3` - **2022-05-26** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1` - **2022-06-01** Referred to Com. on PUB. S. `referral-committee` - **2022-06-08** From committee: Do pass and re-refer to Com. on APPR. (Ayes 4. Noes 0.) (June 8). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee` - **2022-06-09** In committee: Hearing postponed by committee. - **2022-06-15** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on APPR. `amendment-introduction, amendment-passage, reading-1, reading-2, referral-committee` - **2022-06-16** From committee: Do pass. (Ayes 6. Noes 0.) (June 16). `committee-passage, committee-passage-favorable` - **2022-06-20** Read second time. Ordered to third reading. `reading-1, reading-2` - **2022-06-22** Read third time and amended. Ordered to second reading. `amendment-passage, reading-1, reading-3` - **2022-06-23** Read second time. Ordered to third reading. `reading-1, reading-2` - **2022-06-27** Read third time. Urgency clause adopted. Passed. Ordered to the Assembly. (Ayes 31. Noes 0. Page 4433.). `passage, reading-1, reading-3` - **2022-06-27** In Assembly. Concurrence in Senate amendments pending. May be considered on or after June 29 pursuant to Assembly Rule 77. - **2022-06-29** Urgency clause adopted. Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 62. Noes 14.). `amendment-passage, committee-passage-favorable` - **2022-06-30** Enrolled and presented to the Governor at 2:30 p.m. - **2022-06-30** Approved by the Governor. `executive-signature` - **2022-06-30** Chaptered by Secretary of State - Chapter 76, Statutes of 2022. `became-law` ## Source OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2d2f6595-7eca-4775-9db2-2e56a75b4016`. Confidence: reported (aggregated from official California legislature records).