Penal Code section 27534

(a)

A person who modifies a microstamping-enabled pistol or microstamping component with the intent to prevent the production of a microstamp is, for a first offense, guilty of a misdemeanor punishable by imprisonment in the county jail not exceeding six months, by a fine of not more than one thousand dollars ($1,000), or by both that fine and imprisonment, and for a second or subsequent offense, is guilty of a misdemeanor punishable by imprisonment in the county jail of not more than one year, by a fine of not more than two thousand dollars ($2,000), or by both that fine and imprisonment.

(b)

Subdivision (a) shall not apply to a pistol manufactured prior to the effective date of this section.

(c)

For the purposes of this section, it shall not be unlawful to replace the microstamping component of a microstamping-enabled pistol when the component is damaged or in need of replacement with another valid microstamping component for the safe use of the firearm or replacing a microstamping component for a legitimate sporting purpose.

Source: Section 27534, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=PEN§ionNum=27534.­ (updated Jan. 1, 2024; accessed Jun. 16, 2025).

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Verified:
Jun. 16, 2025

§ 27534's source at ca​.gov