Are SBRs Legal in California? Exceptions, Penalties & Moving In

Short-barreled rifles are not legal for civilians in California. Under Penal Code 33215, it is a crime to manufacture, import, sell, give, lend, or possess an SBR in the state, and the ban applies whether or not the firearm is registered with the federal government. The only people who can legally have one are law enforcement and military personnel acting in an official capacity, and the rare permit holder authorized by the California Department of Justice.¹

What Counts as a Short-Barreled Rifle

California Penal Code 17170 defines a short-barreled rifle as any rifle with a barrel under 16 inches, or any rifle with an overall length under 26 inches.² The measurements match the federal definition at 18 U.S.C. 921(a)(8).³

California’s statute reaches further than the assembled firearm. It also covers any device that could be readily restored to fire as an SBR, and any parts or combination of parts designed to convert a firearm into one. Keeping a short upper receiver and a rifle lower in the same place can meet the definition even if they are never assembled.²

Why a Federal Tax Stamp Doesn’t Help

In most states, civilians can legally own an SBR by registering it with the ATF under the National Firearms Act. As of January 1, 2026, the federal transfer tax for SBRs dropped from $200 to $0 under the One Big Beautiful Bill Act, though the registration, background check, fingerprints, and photo requirements remain.⁴

None of that changes anything in California. A federally registered SBR is still illegal to possess here. The state ban operates independently of federal law, and NFA paperwork gives you no protection against state charges. If you read about the $0 stamp and assumed SBRs are now easier to own everywhere, the answer in California is still no.

The Narrow Exceptions

Penal Code 33220 exempts government entities and their personnel. Police departments, sheriff’s and marshal’s offices, the California Highway Patrol, the Department of Justice, the Department of Corrections and Rehabilitation, and state and federal military forces may possess SBRs for official use. Individual peace officers can carry them on duty when their agency authorizes it and they have completed a POST-certified training course.⁵

Penal Code 33225 creates a separate path through a dangerous weapons permit issued by the California Department of Justice.⁶ These permits are hard to get. Applicants must show clear and convincing evidence of a genuine market or public need, and demonstrate that issuing the permit would not endanger public safety.⁷ In practice they go to firearms manufacturers, movie prop houses, and similar commercial operations. Wanting one for personal use is not good cause.

Penalties for Unlawful Possession

A violation of Penal Code 33215 is a wobbler. Prosecutors can charge it as either a misdemeanor or a felony depending on the circumstances and the defendant’s record.¹

As a misdemeanor: up to one year in county jail and a fine of up to $1,000.⁸
As a felony: 16 months, two years, or three years in county jail, and a fine of up to $10,000.⁹⁸

The felony term is generally served in county jail under Penal Code 1170(h), but it shifts to state prison if the defendant has a prior serious or violent felony conviction or is required to register as a sex offender.⁹ A felony conviction also strips your right to own any firearms in the state.

Moving to California With an SBR

Penal Code 33215 lists importation as a criminal act, so an SBR you legally own in another state becomes contraband the moment it crosses into California.¹ Handle it before you move. You can sell or transfer it to someone in a state where it remains legal, reconfigure it by installing a barrel of at least 16 inches so overall length reaches at least 26 inches, or arrange storage with a person outside California.

A locked safe and unloaded chamber do not create an exception. Possession is possession, and because the statute reaches parts that could be readily assembled into an SBR, bringing a short upper along with a rifle lower can be enough to violate the law on its own.²

Curios and Relics Are Not a Loophole

Collectors sometimes hope an antique or historically significant SBR sits outside the ban. It does not. The ATF’s curio and relic classification does not automatically remove a firearm from NFA regulation, and the ATF itself notes that NFA firearms classified as curios and relics may still be subject to NFA provisions.¹⁰ More importantly for California, the state ban applies based on the rifle’s physical characteristics, not its federal status. If the barrel is under 16 inches or the overall length is under 26 inches, it is a short-barreled rifle under California law, no matter how the ATF classifies it.²

1
California Legislative Information. California Penal Code 33215
2
California Legislative Information. California Code, Penal Code 17170 – Short-Barreled Rifle Definition
3
Legal Information Institute. 18 USC 921(a)(8) – Definition of Short-Barreled Rifle
4
Office of the Law Revision Counsel. 26 USC 5811 – Transfer Tax
5
California Legislative Information. California Penal Code 33220 – Restrictions Relating to Short-Barreled Rifle or Short-Barreled Shotgun
6
California Legislative Information. California Penal Code 33225
7
California Department of Justice. California Dangerous Weapons License/Permit Application
8
California Legislative Information. California Penal Code 672
9
California Legislative Information. California Penal Code 1170(h)
10
Bureau of Alcohol, Tobacco, Firearms and Explosives. Curios and Relics