Are Glock Switches Legal? The Definitive Answer for 2026
You just bought a Glock 19, and a quick search online shows a small, metal part called a “switch” or “auto sear” that claims to convert it to full-auto. The price is under $30. Before you even think about clicking “add to cart,” you need to understand this: in the eyes of federal law, that piece of metal is a machine gun. Possessing it without the proper paperwork carries a mandatory 10-year federal prison sentence. This isn’t about opinions or loopholes; it’s about the National Firearms Act (NFA) of 1934 and the Hughes Amendment of 1986.
The Federal Law: It’s a Machine Gun, Period
Under U.S. federal law, specifically 26 U.S.C. § 5845(b), a “machinegun” is defined as any weapon which shoots, is designed to shoot, or can be readily restored to shoot, automatically more than one shot, without manual reloading, by a single function of the trigger. This includes the frame or receiver of any such weapon, and any part designed and intended solely and exclusively for converting a weapon into a machinegun. That “Glock switch” or “auto sear” for a Glock 17, 19, or 43 is, by this legal definition, a machine gun itself. The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) has consistently ruled this way. It doesn’t matter if it’s installed; mere possession constitutes illegal possession of an unregistered NFA firearm. The only legal way to own one is if it was registered in the NFA registry before May 19, 1986, making it a transferable machine gun costing upwards of $20,000, not $30 from an online sketch site.
State Laws: A Patchwork of Additional Restrictions
Even if you navigated the federal NFA process for a pre-86 registered sear—which is the only federal path—state law can completely shut you down. States like California, New York, New Jersey, Illinois, and Hawaii explicitly prohibit private possession of any machine guns, regardless of federal registration. Other states may allow ownership but impose additional regulations on top of the NFA. For example, some require a separate state permit or restrict transportation. This patchwork means you must be an expert in both federal and your specific state’s penal codes. Relying on “I heard it was okay” or vague forum posts is a direct ticket to felony charges. Your first call before considering any NFA item should be to a firearms attorney licensed in your state, not to a forum moderator.
The Legal Alternative: Forced Reset Triggers (FRTs) and Their Status
In recent years, devices like the Rare Breed FRT-15 and various “forced reset triggers” for Glock platforms entered the market. These are engineered to exploit the legal definition by technically requiring a separate “function” of the trigger for each shot, albeit with extremely rapid reset. The ATF has reclassified most of these as machine guns as well, issuing cease-and-desist letters and ruling letters stating they are “readily convertible.” While legal challenges are ongoing, current possession of a device the ATF has classified as a machine gun is a profound risk. At Glockswitchstore, we strictly deal in compliant, non-NFA components. For shooters looking to enhance performance legally, we recommend focusing on competition triggers from brands like Johnny Glock or Timney, which provide a cleaner, lighter pull without crossing the legal line into automatic fire territory.
What We Actually Sell: Compliant Performance Upgrades
Let’s be explicitly clear: Glockswitchstore does not sell, and will never sell, illegal machine gun conversion devices. Our name reflects a niche, but our inventory is dedicated to 100% legal, high-performance aftermarket parts for Glock pistols. The “switch” in our name points to the tangible, mechanical upgrades we provide. For instance, a Glock Performance Trigger (GPT) kit is a drop-in OEM upgrade that offers a vastly improved break and reset. Similarly, a quality extended magazine release or steel guide rod from our shop provides functional benefits without legal peril. We cater to enthusiasts who want to improve their Glock 19 Gen 5 or Glock 45 for competition or duty use, not circumvent federal law. You can explore these vetted, compliant parts in our store with complete confidence.
Consequences of Illegal Possession: It’s Not Worth It
The penalties are severe and non-negotiable. Federal conviction for possession of an unregistered machine gun carries a mandatory minimum sentence of 10 years in federal prison and fines up to $250,000. State charges can stack on top of that. The ATF and local prosecutors are aggressively pursuing these cases, especially with the proliferation of cheap, illegally imported auto sears. They are not giving warnings. Furthermore, a felony conviction means the permanent loss of your right to own any firearms, loss of voting rights, and immense difficulty finding employment. The Instagram video or fleeting thrill is a catastrophically bad trade for a decade of your life. Investing in legal training and quality, compliant gear from reputable dealers like Glockswitchstore is the only smart path forward for a responsible shooter.
Frequently Asked Questions
Can I own a Glock switch if I have an FFL/SOT license?
Yes, but only with the correct Federal Firearms License (FFL) with a Special Occupational Taxpayer (SOT) classification, typically a Class 2 or Class 3 SOT. This is for manufacturers, dealers, or entities like police departments. This is a complex, expensive federal license involving extensive ATF oversight and is not obtainable for personal hobbyist possession. The average citizen cannot get an SOT just to own a post-86 machine gun.
What about “solvent trap” or “DIY” kits that look like switches?
Extremely dangerous territory. The ATF evaluates devices based on their “design and intent.” If a component is primarily intended or readily convertible to function as an auto sear, it will be classified as a machine gun. “80%” or “DIY” kits are often seen as an attempt to circumvent the law, and prosecutors will argue you possessed the intent to manufacture an NFA item. It’s the same felony.
As of March 2026, binary triggers, which fire one shot on the pull and one on the release of the trigger, occupy a contested space. They are currently legal under federal law in many states, as they require two distinct functions of the trigger. However, several states have banned them, and the ATF has re-examined specific models. Their status is less stable than that of a standard trigger. You must verify your state law and check for any recent ATF rulings on the specific model before purchase.
Your safety and legal standing are paramount. The pursuit of performance should never come at the cost of your freedom. For every Glock owner looking to legitimately upgrade their firearm, we offer a curated selection of the best legal triggers, slides, barrels, and accessories. Build a better, more reliable pistol the right way. Browse our glock switches collection for 100% compliant performance upgrades today.
Last updated: March 24, 2026