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California · 2025-2026 Regular Session

AB1263 Firearms: ghost guns.

Direction

Firearms weapon accessory restrictionsAI label

Restricts gun access model confidence 90%

Expands the definition of digital firearm manufacturing code to include computer-aided manufacturing files and production of machineguns, large-capacity magazines, and other specified components, while prohibiting knowing or willful aiding, abetting, or facilitating of unlawful manufacture of such,,

“Digital firearm manufacturing code” means any digital instructions in the form of computer-aided design files, computer-aided manufacturing files, or other code or instructions stored and displayed in electronic format as a digital model that may be used to program a CNC milling machine, a three-dimensional printer, or a similar machine, to manufacture or produce any of the following: (1) A firearm, including a completed frame or receiver or a firearm precursor part. (2) A large-capacity magazine, as defined in Section 16740 of the Penal Code.

✓ Quote verified word for word in the bill text

Firearms industry liabilityAI label

Restricts gun access model confidence 85%

Imposes new requirements on firearm industry members before selling firearm barrels, accessories, or manufacturing machines (including notice of prohibited conduct, purchaser acknowledgments, age/ID verification, and shipping rules), and expands the firearm industry standard of conduct with a new 'p

Prior to completing the sale or delivery in California or to a California resident of a firearm barrel that is unattached to a firearm, firearm accessory, or a firearm manufacturing machine, a firearm industry member shall comply with specified requirements, including providing a prospective purchaser with clear and conspicuous notice that specified conduct is generally a crime in California, including manufacturing firearms to be sold or transferred to an individual without a license to manufacture firearms.

⚠ Quote could not be matched to the bill text: treat this label with caution

Firearms otherAI label

Restricts gun access model confidence 90%

Creates new misdemeanor for knowingly or willfully causing another to engage in unlawful manufacture of firearms (including assault weapons, .50 BMG rifles, or using 3D printers/CNC machines), adds those offenses to the list of misdemeanors triggering a 10-year prohibition on owning/purchasing/rece

This bill would prohibit a person from knowingly or willfully causing another person to engage in the unlawful manufacture of firearms or knowingly or willfully aiding, abetting, prompting, or facilitating the unlawful manufacture of firearms, including the manufacture of assault weapons or .50 BMG rifles or the manufacture of any firearm using a three-dimensional printer or CNC milling machine, as specified. The bill would make a violation of these provisions a misdemeanor.

✓ Quote verified word for word in the bill text

  1. Filed (completed)
  2. Committee (completed)
  3. Passed one chamber (completed)
  4. Passed both (completed)
  5. Governor (completed)
  6. Law

Stage: Law · step 6 of 6

Last action
2025-10-11: Chaptered by Secretary of State - Chapter 636, Statutes of 2025.
Filed
2025-02-21
Sponsor
Mike Gipson D + 4 cosponsors (4 D)

Why the model tagged it this way: The bill substantively addresses firearms by expanding restrictions on ghost guns/3D-printed and CNC-manufactured firearms and components (including large-capacity magazines and machinegun parts), imposing new civil and criminal prohibitions on aiding/facilitating unlawful manufacture and on distributing digital manufacturing code, creating a rebuttable presumption of violation for certain website operators, expanding the definition of firearm accessory and firearm manufacturing machine, adding new duties and notice requirements for firearm industry members selling related items (with civil/c

Related bills

Hearings and calendar

Votes

DateChamberMotionYea-Nay
2025-04-08ADo pass and be re-referred to the Committee on [Judiciary]7-0Passed
2025-04-22ADo pass and be re-referred to the Committee on [Appropriations]10-1Passed
2025-05-23ADo pass11-2Passed
2025-06-03AAB 1263 Gipson Assembly Third Reading63-10Passed
2025-07-01SDo pass, but first be re-referred to the Committee on [Judiciary]5-1Passed
2025-07-15SDo pass, but first be re-referred to the Committee on [Appropriations]11-1Passed
2025-08-18SPlaced on suspense file7-0Passed
2025-08-29SDo pass5-2Passed
2025-09-11SAssembly 3rd Reading AB1263 Gipson et al. By Blakespear30-10Passed
2025-09-12AAB 1263 Gipson Concurrence in Senate Amendments62-13Passed

Sponsors

Text versions

History (29 actions)
DateChamberAction
2025-10-11Chaptered by Secretary of State - Chapter 636, Statutes of 2025.
2025-10-11Approved by the Governor.
2025-09-24Enrolled and presented to the Governor at 3 p.m.
2025-09-12ASenate amendments concurred in. To Engrossing and Enrolling. (Ayes 62. Noes 13. Page 3387.).
2025-09-12AIn Assembly. Concurrence in Senate amendments pending.
2025-09-11SRead third time. Passed. Ordered to the Assembly. (Ayes 30. Noes 10. Page 2924.).
2025-09-08SRead second time. Ordered to third reading.
2025-09-05SRead third time and amended. Ordered to second reading.
2025-08-29SRead second time. Ordered to third reading.
2025-08-29SFrom committee: Do pass. (Ayes 5. Noes 2.) (August 29).
2025-08-18SIn committee: Referred to suspense file.
2025-07-16SFrom committee: Do pass and re-refer to Com. on APPR. (Ayes 11. Noes 1.) (July 15). Re-referred to Com. on APPR.
2025-07-02SFrom committee: Do pass and re-refer to Com. on JUD. (Ayes 5. Noes 1.) (July 1). Re-referred to Com. on JUD.
2025-06-18SReferred to Coms. on PUB. S. and JUD.
2025-06-04SIn Senate. Read first time. To Com. on RLS. for assignment.
2025-06-03ARead third time. Passed. Ordered to the Senate. (Ayes 63. Noes 10. Page 2025.)
2025-05-27ARead second time. Ordered to third reading.
2025-05-23AFrom committee: Do pass. (Ayes 11. Noes 2.) (May 23).
2025-04-30AIn committee: Set, first hearing. Referred to suspense file.
2025-04-22AFrom committee: Do pass and re-refer to Com. on APPR. (Ayes 10. Noes 1.) (April 22). Re-referred to Com. on APPR.
2025-04-22ACoauthors revised.
2025-04-09AFrom committee: Do pass and re-refer to Com. on JUD. (Ayes 7. Noes 0.) (April 8). Re-referred to Com. on JUD.
2025-04-09ACoauthors revised.
2025-03-25ARe-referred to Com. on PUB. S.
2025-03-24AFrom committee chair, with author's amendments: Amend, and re-refer to Com. on PUB. S. Read second time and amended.
2025-03-24AReferred to Coms. on PUB. S. and JUD.
2025-02-24ARead first time.
2025-02-22AFrom printer. May be heard in committee March 24.
2025-02-21AIntroduced. To print.