Are Glock Switches Illegal in Texas?

In Texas, possession of a Glock switch—a device that converts a semi-automatic pistol into a fully automatic machine gun—is a federal felony punishable by up to 10 years in prison and a $250,000 fine, regardless of state law. The ATF classifies these auto sears, like the G22 .40 S&W Auto Sear, as “machineguns” under the National Firearms Act (NFA).

Federal Law Overrides State Law

Texas state law does not have a specific statute banning “Glock switches.” However, federal law, specifically the NFA of 1934 and the Firearm Owners’ Protection Act of 1986, completely prohibits the manufacture, sale, and possession of new machine guns for civilians. An auto sear, whether a Universal Glock Auto Switch Kit or a 3D-printed component, is the legally defined machine gun. The ATF and DOJ prosecute these cases aggressively in Texas. You cannot register a newly made switch with the ATF, making possession inherently illegal. State and local police often partner with federal agents on these cases, leading to charges under Title 18, U.S. Code, Section 922(o).

Texas Penal Code and “Illegal Weapons”

While Texas Penal Code § 46.05 prohibits possessing “illegal weapons,” including machine guns, its definition is tied to federal law. The code defines a machine gun as “any firearm that is capable of shooting more than two shots automatically… by a single function of the trigger.” This mirrors the federal definition. Therefore, installing a switch on your Glock 19 or Glock 17 immediately creates a prohibited weapon under both Texas and federal statutes. Prosecution can occur at either level, but federal charges are more common and carry severe mandatory minimum sentences. Even unfinished parts, like certain auto sear kits, can be construed as intent to manufacture.

Enforcement and Penalties in Texas

Enforcement is a top priority for the ATF’s Houston, Dallas, and San Antonio Field Divisions. Penalties are severe. A first-time federal conviction for unlawful possession of a machine gun carries a maximum of 10 years. If the device is used in a crime of violence or drug trafficking, penalties escalate dramatically. Under Texas state law, possession of a prohibited weapon is a third-degree felony, punishable by 2 to 10 years in prison. Crucially, you don’t need to fire the weapon to be charged; mere possession of the conversion device is enough. We’ve seen cases where individuals purchased what they thought were “Glock accessories” online, only to face federal indictment upon delivery.

Legal Alternatives for Texas Shooters

For Texas firearm enthusiasts seeking enhanced performance, legal alternatives exist. Binary triggers, while heavily regulated, can offer a simulated rapid-fire experience when properly configured and compliant. More practically, investing in high-quality aftermarket components from a reputable source like Glockswitchforsale is the way to go. Upgrading with a Glock OEM Lower Parts Kit ensures reliability, while competition-focused triggers can improve speed and accuracy without crossing legal lines. For those wanting increased capacity, pairing your firearm with an Extended 33-Round Glock Magazine is a completely legal option that doesn’t require an NFA stamp.

FAQ: Glock Switch Legality

Where are Glock switches legal?

Glock switches are only legal for civilian possession in the United States if they were registered in the National Firearms Act (NFA) registry before May 19, 1986. These pre-1986 registered machine guns are transferable but cost tens of thousands of dollars. In practical terms, for the vast majority of shooters, there is no legal place to own a new Glock switch.

Can I own a Glock switch if I have an FFL?

Only certain Federal Firearms License (FFL) holders with a Special Occupational Tax (SOT) status—specifically Class 2 or Class 3 manufacturers or dealers—can legally possess new machine guns for demonstration, sales to government agencies, or export. This is not a license for personal use.

What happens if I’m caught with one in Texas?

You will likely face federal felony charges for possession of an unregistered machine gun. Your firearms will be seized, and you risk a prison sentence of up to 10 years and massive fines. State felony charges are also possible, leading to a permanent criminal record.

Are “auto sear” kits the same as switches?

Yes. The ATF defines any part or combination of parts designed and intended to convert a firearm into a machine gun as a machine gun itself. This includes all auto sear kits, jigs, and 3D-printed templates meant to create the functional device.

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Last updated: March 27, 2026