California · Penal Code

PEN §4502: (a) Every person who, while at or confined in any penal institution, while being conveyed to or from any penal institution, or while under the custody of officials, officers, or employees of any penal

Felony

What this law says, in plain English

Persons confined in or being transported to/from penal institutions who possess weapons, explosives, firearms, or similar items commit a felony punishable by consecutive imprisonment of 2–4 years. Manufacturing such items is also a felony.

Read the full statutory text
(a) Every person who, while at or confined in any penal institution, while being conveyed to or from any penal institution, or while under the custody of officials, officers, or employees of any penal institution, possesses or carries upon his or her person or has under his or her custody or control any instrument or weapon of the kind commonly known as a blackjack, slungshot, billy, sandclub, sandbag, or metal knuckles, any explosive substance, or fixed ammunition, any dirk or dagger or sharp instrument, any pistol, revolver, or other firearm, or any tear gas or tear gas weapon, is guilty of a felony and shall be punished by imprisonment pursuant to subdivision (h) of Section 1170 for two, three, or four years, to be served consecutively. (b) Every person who, while at or confined in any penal institution, while being conveyed to or from any penal institution, or while under the custody of officials, officers, or employees of any penal institution, manufactures or attempts to manufacture any instrument or weapon of the kind commonly known as a blackjack, slungshot, billy, sandclub, sandbag, or metal knuckles, any explosive substance, or fixed ammunition, any dirk or dagger or sharp instrument, any pistol, revolver, or other firearm, or any tear gas or tear gas weapon, is guilty of a felony and shall be punished by imprisonment pursuant to subdivision (h) of Section 1170 for 16 months, or two or three years, to be served consecutively. (c) For purposes of this section, “penal institution” means the state prison, a prison road camp, prison forestry camp, or other prison camp or farm, or a county jail or county road camp.

Verify at the official source: California legislative text

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This page is legal information, not legal advice. Code text is sourced from official publications and may lag amendments — always confirm at the official source linked above. Plain-English summaries and relationship data are AI-derived and reviewed on an ongoing basis; verify with a licensed attorney before acting.