California 2025-2026 Regular Session

California Assembly Bill AB2047

Introduced
2/17/26  
Refer
3/9/26  
Report Pass
3/25/26  
Refer
3/25/26  
Report Pass
4/15/26  

Caption

An act to add Title 21.1 (commencing with Section 3273.631) to Part 4 of Division 3 of the Civil Code, and to add Section 29187 to the Penal Code, relating to firearms.

Impact

The legislation introduces significant changes to California's regulatory framework surrounding firearms and their manufacture. It mandates that businesses provide attestations of compliance, enabling regulatory oversight over the production and sale of 3D printers. The bill also establishes guidelines for the performance standards of the firearm blueprint detection algorithms, which are crucial for ensuring that the firearm blocking technology is effective. By doing so, AB2047 aims to strengthen the state's control over the illegal manufacture of firearms while promoting public safety. The impact of this legislation is expected to compel manufacturers to innovate and improve their technologies to comply with the new standards.

Summary

Assembly Bill 2047, titled the California Firearm Printing Prevention Act, addresses the growing concern regarding the 3-dimensional printing of firearms. The bill's primary focus is to mandate that any business manufacturing or selling 3D printers in California must equip their products with firearm blocking technology that is certified by the state's Department of Justice. This technology aims to prevent the production of firearms through 3D printing by ensuring that any printing file is evaluated to determine if it contains prohibited blueprints before a print job can proceed. This requirement is set to be enforced starting March 1, 2029.

Contention

Despite the intentions behind the bill, there are potential points of contention surrounding its implementation. Critics may argue that the requirements imposed on 3D printer manufacturers could burden small businesses and innovators in the tech community, placing them at a competitive disadvantage versus larger entities. Additionally, there are concerns regarding the feasibility of integrating such blocking technologies across different printer models and the technical complexities involved. The requirement for continuous certification and compliance attests could also invoke skepticism about whether such measures would effectively prevent illegal activities or simply create a new set of challenges for legitimate users and manufacturers alike.

Companion Bills

No companion bills found.

Previously Filed As

CA SB320

Firearms: California Do Not Sell List.

CA SB835

An act to amend Sections 44671 and 49600 of, and to add Chapter 8 (commencing with Section 52210) to Part 28 of Division 4 of Title 2 of, the Education Code, relating to pupil instruction.

CA SB704

Firearms: firearm barrels.

CA AB395

An act to add Section 37224 to, and to add Article 12 (commencing with Section 66095) to Chapter 2 of Part 40 of Division 5 of Title 3 of, the Education Code, and to amend Sections 11131 and 54961 of the Government Code, relating to holidays.

CA SB36

Price gouging: state of emergency.

CA SB988

An act to add Title 1.5C (commencing with Section 1784.50) to Part 4 of Division 3 of the Civil Code, relating to civil law.

CA AB1263

Firearms: ghost guns.

CA AB1344

Restrictions on firearm possession: pilot project.

CA AB1842

An act to add Title 19.2 (commencing with Section 3273.31) to Part 4 of Division 3 of the Civil Code, relating to emergency relief.

CA SB1335

Tenancy: disposition of personal property abandoned in common areas.

Similar Bills

CO HB1144

Prohibit Three-Dimensional Printing Firearms & Components

CO HB261144

Concerning measures to prohibit the use of three-dimensional printing to manufacture firearms.

WA HB2320

Concerning the regulation of firearm manufacturing.

NJ S3232

Upgrades certain crimes related to manufacturing firearms from second to first degree.

WA SB6314

Concerning the regulation of firearm manufacturing.

MI SB0842

Civil procedure: other; firearm industry responsibility act; provide for. Amends 1961 PA 236 (MCL 600.101 - 600.9947) by adding sec. 3845. TIE BAR WITH: SB 0843'26

CA AB1263

Firearms: ghost guns.