Section 16540.

Cal. Penal Code - PEN § 16540.
in effect
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As used in this part, “firearm safety device” means a device other than a gun safe that locks and is designed to prevent children and unauthorized users from firing a firearm. The device may be installed on a firearm, be incorporated into the design of the firearm, or prevent access to the firearm.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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