Section 27534.
Cal. Penal Code - PEN § 27534.
in effect(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: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026