--- type: "Bill" title: "Firearms: firearm barrels." description: "Existing law generally requires the sale or transfer of firearms to be conducted through a licensed firearms dealer. For purposes of these provisions, existing law defines \"firearm\" to mean a device, designed to be used as a weapon, from which is expelled through a barrel a projectile by the force of an explosion or other form of combustion and to include the frame or receiver of the weapon, including both a completed frame or receiver, or a firearm precursor part. For these purposes, existing law defines \"firearm precursor part\" as any forging, casting, printing, extrusion, machined body, or similar article that has reached a stage in manufacture where it may readily be completed, assembled, or converted to be used as the frame or receiver of a functional firearm, or that is marketed or sold to the public to become or be used as the frame or receiver of a functional firearm once completed, assembled, or converted." jurisdiction: "us/states/ca" legislature: "California Legislature" session: "20252026" identifier: "SB 704" citation: "California SB 704 (20252026)" classification: ["bill"] subjects: ["Firearms", "firearmbarrels"] status: "enacted" primary_sponsors: ["Arreguín"] version_count: 9 action_count: 31 vote_count: 8 first_action: "2025-02-21" last_action: "2025-10-10" source: "openstates" source_identifier: "ocd-bill/2ce6c3c5-b1bb-47af-bf00-407a06d1df06" source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260SB704" source_hash: "a7acc97dcbd55d50c8b530b21d797cdf175b429360808fc8914dffd6285f6f42" 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 SB 704 (20252026) — Firearms: firearm barrels. Existing law generally requires the sale or transfer of firearms to be conducted through a licensed firearms dealer. For purposes of these provisions, existing law defines "firearm" to mean a device, designed to be used as a weapon, from which is expelled through a barrel a projectile by the force of an explosion or other form of combustion and to include the frame or receiver of the weapon, including both a completed frame or receiver, or a firearm precursor part. For these purposes, existing law defines "firearm precursor part" as any forging, casting, printing, extrusion, machined body, or similar article that has reached a stage in manufacture where it may readily be completed, assembled, or converted to be used as the frame or receiver of a functional firearm, or that is marketed or sold to the public to become or be used as the frame or receiver of a functional firearm once completed, assembled, or converted. ## Version chain The bill's text revisions, in order — the diff chain from filing to enrollment. 1. **02/21/25 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260SB704&version=20250SB70499INT) 2. **03/26/25 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260SB704&version=20250SB70498AMD) 3. **05/23/25 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260SB704&version=20250SB70497AMD) 4. **06/25/25 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260SB704&version=20250SB70496AMD) 5. **07/17/25 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260SB704&version=20250SB70495AMD) 6. **09/02/25 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260SB704&version=20250SB70494AMD) 7. **10/10/25 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260SB704&version=20250SB70492CHP) 8. **SB704** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260SB704) 9. **09/12/25 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260SB704&version=20250SB70493ENR) ## Votes - SB 704 Arreguín Senate Third Reading By Stefani — **57–20** (pass) · lower - Unfinished Business SB704 Arreguín et al. Concurrence — **29–10** (pass) · upper - Do pass as amended and be re-referred to the Committee on [Appropriations] — **7–2** (pass) · lower - 3rd Reading — **28–11** (pass) · upper - Do pass as amended — **5–1** (pass) · upper - Do pass, but first be re-referred to the Committee on [Appropriations] — **5–1** (pass) · upper - Do pass as amended. — **11–4** (pass) · lower - Placed on suspense file — **7–0** (pass) · upper ## Sponsors - Arreguín — primary (person) - Blakespear — coauthor (person) ## Timeline The legislative action history — every referral, reading, and vote. - **2025-02-21** Introduced. To Com. on RLS. for assignment. To print. `introduction` - **2025-02-24** From printer. May be acted upon on or after March 24. - **2025-02-24** Read first time. `reading-1` - **2025-03-12** Referred to Com. on RLS. `referral-committee` - **2025-03-26** From committee with author's amendments. Read second time and amended. Re-referred to Com. on RLS. `amendment-passage, committee-passage, reading-1, reading-2, referral-committee` - **2025-04-02** Re-referred to Com. on PUB. S. `referral-committee` - **2025-04-11** Set for hearing April 29. - **2025-04-30** From committee: Do pass and re-refer to Com. on APPR. (Ayes 5. Noes 1. Page 945.) (April 29). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee` - **2025-05-02** Set for hearing May 12. - **2025-05-12** May 12 hearing: Placed on APPR. suspense file. - **2025-05-16** Set for hearing May 23. - **2025-05-23** From committee: Do pass as amended. (Ayes 5. Noes 1. Page 1210.) (May 23). `amendment-passage, committee-passage, committee-passage-favorable` - **2025-05-23** Read second time and amended. Ordered to second reading. `amendment-passage, reading-1, reading-2` - **2025-05-27** Read second time. Ordered to third reading. `reading-1, reading-2` - **2025-06-04** Read third time. Passed. (Ayes 28. Noes 11. Page 1508.) Ordered to the Assembly. `passage, reading-1, reading-3` - **2025-06-05** In Assembly. Read first time. Held at Desk. `reading-1` - **2025-06-16** Referred to Com. on PUB. S. `referral-committee` - **2025-06-25** From committee with author's amendments. Read second time and amended. Re-referred to Com. on PUB. S. `amendment-passage, committee-passage, reading-1, reading-2, referral-committee` - **2025-07-01** July 1 set for first hearing canceled at the request of author. - **2025-07-16** From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 7. Noes 2.) (July 15). `amendment-passage, committee-passage, committee-passage-favorable` - **2025-07-17** Read second time and amended. Re-referred to Com. on APPR. `amendment-passage, reading-1, reading-2, referral-committee` - **2025-08-20** August 20 set for first hearing. Placed on APPR. suspense file. - **2025-08-29** From committee: Do pass as amended. (Ayes 11. Noes 4.) (August 29). `amendment-passage, committee-passage, committee-passage-favorable` - **2025-09-02** Read second time and amended. Ordered to second reading. `amendment-passage, reading-1, reading-2` - **2025-09-03** Read second time. Ordered to third reading. `reading-1, reading-2` - **2025-09-08** Read third time. Passed. (Ayes 57. Noes 20. Page 3008.) Ordered to the Senate. `passage, reading-1, reading-3` - **2025-09-08** In Senate. Concurrence in Assembly amendments pending. - **2025-09-09** Assembly amendments concurred in. (Ayes 29. Noes 10. Page 2718.) Ordered to engrossing and enrolling. `amendment-passage, committee-passage-favorable` - **2025-09-17** Enrolled and presented to the Governor at 2 p.m. - **2025-10-10** Approved by the Governor. `executive-signature` - **2025-10-10** Chaptered by Secretary of State. Chapter 591, Statutes of 2025. `became-law` ## Source OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2ce6c3c5-b1bb-47af-bf00-407a06d1df06`. Confidence: reported (aggregated from official California legislature records).