Penal Code section 16519

“Federally regulated firearm precursor part” means any firearm precursor part deemed to be a firearm pursuant to Chapter 44 (commencing with Section 921) of Title 18 of the United States Code and regulations issued pursuant thereto, and, if required, has been imprinted with a serial number by a federal licensee authorized to serialize firearms in compliance with all applicable federal laws and regulations.

Source: Section 16519, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=PEN§ionNum=16519.­ (updated Jun. 30, 2022; accessed Jun. 25, 2025).

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Verified:
Jun. 25, 2025

§ 16519's source at ca​.gov