California Penal Code 24610 PC – Undetectable Firearms

California Penal Code 24610 PC makes it a criminal offense to manufacture, import, sell, give, lend, possess, or transport undetectable firearms in California.

Undetectable firearms are weapons designed to evade metal detectors or security screening systems because they contain insufficient metal components.

California weapon laws strictly prohibit these firearms due to the significant risks they pose to public safety, airports, schools, courthouses, and other secure locations.

A conviction under Penal Code 24610 PC may result in felony criminal charges, jail or prison exposure, fines, probation, firearm prohibitions, immigration consequences, and permanent criminal records.

California prosecutors aggressively pursue cases involving prohibited firearms and unlawful weapons.

This guide explains California Penal Code 24610 PC, the legal definition of undetectable firearms, criminal penalties, related California weapon laws, defenses, examples, and frequently asked questions.

What Is California Penal Code 24610 PC?

California Penal Code 24610 PC prohibits manufacturing, importing into California, keeping for sale, offering for sale, giving, lending, possessing, or transporting undetectable firearms.

Undetectable firearms are generally weapons designed to evade detection by metal detectors, X-ray machines, or security screening equipment because of their low metal content.

California lawmakers classify these firearms as especially dangerous because they may bypass security systems used in airports, government buildings, schools, and other public locations.

Text of California Penal Code 24610 PC

California Penal Code 24610 PC states in substance that any person who manufactures, imports into the state, keeps for sale, offers for sale, gives, lends, possesses, or transports an undetectable firearm is guilty of a criminal offense.

The law broadly criminalizes both commercial activity and simple possession involving prohibited undetectable firearms.

What Is an Undetectable Firearm?

An undetectable firearm is generally a weapon that fails to contain enough metal components to trigger metal detectors or be visible through standard security screening devices.

Examples may include:

Plastic firearms with minimal metal parts
3D-printed firearms lacking detectable metal content
Firearms designed to evade airport security
Homemade polymer weapons without required metal components

Federal and California laws both regulate these types of weapons because of security and terrorism concerns.

Why California Prohibits Undetectable Firearms

California weapon laws prohibit undetectable firearms because lawmakers consider them dangerous public safety threats.

Public safety concerns include:

Airport security risks
Concealed weapon dangers
Threats to law enforcement officers
School safety concerns
Difficulty detecting firearms during security screenings
Potential use during violent crimes

Undetectable firearms are often associated with evolving technologies, such as homemade or 3D-printed weapons.

Activities Prohibited Under Penal Code 24610 PC

California Penal Code 24610 PC prohibits several activities involving undetectable firearms.

Possession of an Undetectable Firearm

Simple possession of an undetectable firearm may violate California law.

Possession may involve:

Carrying the firearm
Storing the weapon at home
Keeping the firearm in a vehicle
Maintaining the weapon in personal belongings

Manufacturing Undetectable Firearms

California law prohibits the manufacturing or assembling of prohibited undetectable firearms.

Importing Undetectable Firearms Into California

Bringing undetectable firearms into California from another state or country may result in criminal charges.

Selling or Offering Undetectable Firearms for Sale

Retailers, online sellers, and private individuals may face criminal liability for:

Selling undetectable firearms
Advertising prohibited firearms
Offering prohibited firearms for sale

Giving or Lending Undetectable Firearms

Even giving or lending an undetectable firearm to another person may violate Penal Code 24610 PC.

What Prosecutors Must Prove

To convict someone under California Penal Code 24610 PC, prosecutors generally must prove every element of the offense beyond a reasonable doubt.

The prosecution generally must establish:

The defendant possessed, manufactured, imported, sold, gave, lent, or transported a firearm
The firearm is legally qualified as an undetectable firearm
The defendant acted knowingly

The intent to use the firearm unlawfully is generally not required for conviction.

Related California Firearm Laws

Several California firearm statutes commonly overlap with Penal Code 24610 PC investigations.

Penal Code 16520 PC – Definition of a Firearm

California Penal Code 16520 PC broadly defines firearms under California law.

The statute applies to pistols, rifles, shotguns, homemade firearms, and certain components of weapons.

Penal Code 23920 PC – Firearms Without Serial Numbers

California Penal Code 23920 PC prohibits altering, removing, or obliterating firearm serial numbers.

Undetectable firearm investigations sometimes overlap with ghost gun allegations.

Penal Code 29180 PC – Self-Manufactured Firearms

California Penal Code 29180 PC regulates self-manufactured or homemade firearms.

California imposes serial number and registration requirements on many self-built firearms.

Penal Code 29800 PC – Felon in Possession of a Firearm

California Penal Code 29800 PC prohibits convicted felons from possessing firearms.

Undetectable firearm cases sometimes involve prohibited possessors.

Federal Undetectable Firearms Act

Federal law also prohibits certain undetectable firearms under the federal Undetectable Firearms Act.

Federal investigations may accompany serious California firearm cases.

Penalties for Violating California Penal Code 24610 PC

Penalty Type	Possible Consequences
Felony Criminal Charge	Violation may generally be prosecuted as a felony offense
County Jail or State Prison	Potential incarceration depending on the facts of the case
Criminal Fines	Significant court-imposed fines and penalty assessments
Formal Probation	Supervised probation with strict court-ordered conditions
Firearm Prohibitions	Loss of firearm ownership and possession rights
Weapon Confiscation	Seizure and forfeiture of prohibited undetectable firearms
Permanent Felony Criminal Record	Long-term impact on employment, housing, and background checks
Immigration Consequences	Possible visa denial, deportation, or inadmissibility
Professional Licensing Consequences	Potential suspension or denial of professional licenses
Enhanced Penalties for Related Offenses	Additional punishment for connected firearm or violent crime allegations
Probation Search Conditions	Submission to warrantless searches during probation
Federal Criminal Exposure	Possible federal prosecution under firearm laws
Ammunition Restrictions	Loss of rights involving ammunition possession or purchase
Concealed Carry Permit Restrictions	Ineligibility for concealed carry permits or firearm certifications

Convictions involving additional firearm offenses or violent crimes may result in enhanced penalties.

Firearm Restrictions After Conviction

A felony firearm conviction may result in long-term or lifetime firearm restrictions.

Convicted individuals may lose rights involving:

Firearm ownership
Firearm possession
Ammunition possession
Concealed carry permits

Violating firearm prohibitions may result in additional felony charges.

Immigration Consequences of Firearm Convictions

Firearm-related criminal convictions may create severe immigration consequences for noncitizens.

Potential immigration consequences may include:

Deportation proceedings
Visa denial
Green card complications
Citizenship application issues
Inadmissibility

Noncitizens accused of firearm offenses should seek immediate legal representation.

Common Defenses to Penal Code 24610 PC Charges

An experienced California criminal defense attorney may use several legal defenses to challenge undetectable firearm allegations.

The Object Was Not an Undetectable Firearm

The defense may argue that the firearm did not legally qualify as an undetectable firearm under California law.

The weapon may contain sufficient detectable metal components.

Lack of Knowledge

The prosecution generally must prove the defendant knowingly possessed or handled the firearm.

The defense may argue:

The defendant did not know the firearm existed
The firearm belonged to another person
The defendant lacked knowledge of the weapon's characteristics

Illegal Search and Seizure

If police obtained evidence through unconstitutional searches or seizures, the defense may seek to suppress it.

Successful suppression motions may weaken or dismiss the prosecution's case.

Temporary Possession

The defense may argue that possession was temporary and solely for lawful surrender or disposal purposes.

Insufficient Evidence

The prosecution must prove every element of the offense beyond a reasonable doubt.

The defense may challenge:

Possession
Ownership
Weapon classification
Forensic evidence
Witness credibility

Examples of Penal Code 24610 PC Cases

Example 1: Airport Security Investigation

Airport security officers allegedly discovered a plastic firearm designed to evade metal detectors.

Example 2: 3D-Printed Firearm Investigation

Authorities allegedly recovered a homemade 3D-printed firearm lacking sufficient metal content.

Example 3: Online Firearm Sales Investigation

Investigators allege an online seller unlawfully offered undetectable firearms for sale in California.

Example 4: Vehicle Search Discovery

Police allegedly discovered an undetectable firearm during a vehicle search following a traffic stop.

Frequently Asked Questions

Are undetectable firearms illegal in California?

Yes. California Penal Code 24610 PC generally prohibits possessing, manufacturing, importing, selling, giving, lending, or transporting undetectable firearms.

What is considered an undetectable firearm?

An undetectable firearm is generally a weapon lacking sufficient metal components to trigger security screening systems or metal detectors.

Are 3D-printed firearms illegal in California?

Certain 3D-printed firearms may violate California law if they qualify as undetectable firearms or as ghost guns.

Is Penal Code 24610 PC a felony?

Yes. Violations may generally be prosecuted as felony offenses.

Can police confiscate undetectable firearms?

Yes. Law enforcement officers may seize prohibited firearms during criminal investigations.

Can illegal searches result in dismissal?

Potentially. Evidence obtained through unconstitutional searches may be suppressed in court.

Speak With a California Criminal Defense Lawyer

If you were arrested or investigated for violating California Penal Code 24610 PC involving undetectable firearms, obtaining experienced legal representation immediately is critical.

Firearm-related criminal allegations may result in felony exposure, prison sentences, firearm prohibitions, immigration consequences, and permanent criminal records.

An experienced California criminal defense lawyer can evaluate your case, challenge unlawful searches, contest firearm classifications, protect your constitutional rights, and develop a defense strategy tailored to your situation.

Seeking early legal help can really boost your chances of reducing charges, avoiding a conviction, or getting your case dismissed.

The criminal defense team at Cron, Israels & Stark in Los Angeles is ready to support you. Just fill out our contact form or give us a call at (424) 372-3112 to set up a consultation.