Maryland SB 334 cleared both chambers of the General Assembly and is now sitting on Governor Wes Moore's desk, waiting. Moore has until June 2 to sign it…
The bottom line
Maryland SB 334 cleared both chambers of the General Assembly and is now sitting on Governor Wes Moore’s desk, waiting. Moore has until June 2 to sign it, veto it, or let it become law without his signature. The bill bans the manufacture, sale, purchase, and transfer of every pistol ever built around a cruciform trigger bar, which means every Glock ever made. It is plainly unconstitutional, and the only people in Maryland who will obey it are the law-abiding gun owners it punishes.
This article is based on analysis from Bearing Freedom. Watch the original video. This is commentary, not legal advice.
What just happened
The Maryland House of Delegates passed SB 334 on April 8, 2026, by a vote of 92-39. The Senate had already passed it 28-16 in March. That’s 120-55 across both chambers for banning the most popular handgun platform in America. The bill now sits on Governor Wes Moore’s desk. As of May 18, he had not signed it. His deadline is June 2. Fox Baltimore reported a signing event scheduled for May 26.
I covered SB 334 back in April when it was heading toward its House floor vote. That was the bill as a threat. This is the bill as a reality, and the mechanism it uses is far more sweeping than the press coverage has let on.
What the bill actually does
SB 334 creates a brand-new category of prohibited firearm in Maryland: the “machine gun convertible pistol.” The definition targets any semiautomatic pistol that uses a cruciform trigger bar and can be converted to fire automatically by attaching a device to the rear of the slide without any additional machining.
The cruciform trigger bar is the cross-shaped component inside a Glock that catches the striker between shots during the firing cycle. It is the defining feature of Glock’s fire control system. Every Glock ever manufactured uses it. The bill does not name Glock anywhere in its text. It does not have to. By writing the ban around that one internal part, the Maryland legislature swept the entire Glock platform while giving itself political cover to say it did not specifically ban Glocks.
It also catches Glock-pattern pistols sold under other brands: Shadow Systems models built on the Glock architecture, the PSA Dagger, and Polymer80 builds. The Maryland State Police are required to publish a list of specifically prohibited models before the ban takes effect, but the state’s own fiscal note admits the police are unlikely to finish that list by the deadline. So you get an active ban on a category of firearms, enforced against an incomplete official list of what the ban actually covers. Maryland’s plan, apparently.
The law takes effect October 1, 2026. The sales and transfer ban kicks in January 1, 2027.
The V-series loophole and why it was already closed
When Glock introduced the Gen 5 V-series pistols, they were redesigned with a modified slide that resists installation of the aftermarket conversion devices commonly called “Glock switches.” Some coverage at the time suggested those V-series guns might fall outside the scope of any future Maryland prohibition.
SB 334 anticipated that workaround. The bill explicitly provides that a pistol is still banned under the “machine gun convertible pistol” definition even if it contains blocking material that prevents conversion, so long as that blocking material can be removed with a “common household tool.” If someone with a screwdriver or a saw could theoretically defeat the blocking material and install a conversion device, the gun is still prohibited. Glock’s V-series redesign does not save those pistols under this law.
I have a Glock sitting right here. I own exactly one, and I am not the biggest Glock fanatic in the world, but they are standard-issue, completely ordinary American firearms. The idea that possessing one is now a public safety emergency serious enough to ban is just absurd.
The actual problem, and why this does nothing about it
The stated justification for SB 334 is Glock switches. A Glock switch is a coin-sized conversion device that replaces the rear slide plate and converts the pistol to fire fully automatically. With a 17-round magazine, a Glock fitted with a switch can empty the entire mag in under a second. Their use in street crime has increased since 2019, and I understand why law enforcement considers them a serious problem.
Glock switches are already a federal felony. Under 18 U.S.C. § 922(o) and the National Firearms Act, any device whose sole purpose is converting a firearm to automatic fire is classified as a machinegun. Possessing one carries up to 10 years in federal prison and fines up to $250,000, and that penalty applies whether or not the switch is even attached to a firearm. The switch sitting in a drawer is the crime. The Justice Department has affirmed this in published guidance.
The Maryland legislature looked at a problem already addressed by federal law with serious felony penalties, and decided the right response was to ban the legal ownership of the host firearm. The people actually attaching switches to stolen guns and running them in drive-by shootings are not going to stop because Maryland passed a misdemeanor ban on the underlying pistol. They are already racking up federal gun felonies and state homicide charges. A three-year Maryland misdemeanor is not deterring them.
The people this law will actually affect are the several hundred thousand Maryland residents who own Glock-pattern pistols legally and have never done anything wrong with them.
The grandfather clause, and what it actually means for you
If you already own a Glock in Maryland, you can keep it after the law takes effect. You can have it serviced and pass it to an immediate family member. You cannot sell it or transfer it to anyone else in Maryland, and you cannot replace it if it gets stolen. Buying a new one from out of state does not work either: federal law requires handgun purchases to be routed through a licensed dealer in the buyer’s home state.
Your Glock becomes a non-transferable asset you cannot sell inside Maryland’s borders. If you want one and do not own one yet, you can still buy before January 1, 2027. After that, the market inside Maryland is frozen.
Violating the ban is a misdemeanor: up to three years and a $5,000 fine. Use the prohibited pistol in a violent crime and the penalty jumps to five to twenty years.
This is unconstitutional. That is not a close call.
District of Columbia v. Heller, 554 U.S. 570 (2008), held that the Second Amendment protects firearms “in common use at the time for lawful purposes.” The Court applied that test directly to handguns, ruling they cannot be banned because they are the primary self-defense firearm in common use. That was the whole holding. A ban on Glocks runs straight into it.
New York State Rifle & Pistol Ass’n v. Bruen, 597 U.S. 1 (2022), replaced the post-Heller interest-balancing tests that lower courts had used to work around Heller. Under Bruen, any firearm regulation has to be consistent with the historical tradition of firearms regulation in America as of the founding and Reconstruction eras. Maryland has to produce analogous historical laws. There are no founding-era analogues for banning the most popular handgun platform in the country, because that concept did not exist.
The numbers tell most of the story. Glock holds roughly 35 percent of the U.S. civilian handgun market. In 2021, the company sold over 1.3 million units domestically. More than 65 percent of American law enforcement agencies issue Glocks. The “common use” argument fails before you even get to historical tradition.
The one angle Maryland’s lawyers might try is arguing that the pistol’s theoretical convertibility to automatic fire takes it outside Second Amendment protection. It does not hold up. The conversion requires a device that is already a federal felony to possess. The Glock sold at every gun counter in America is a semiautomatic pistol. A gun does not lose its constitutional protection because a criminal could illegally modify it.
The Supreme Court’s record on Maryland gun laws lately is not reassuring. In Snope v. Brown (formerly Bianchi v. Brown), the Fourth Circuit upheld Maryland’s assault weapons ban 10-5 on remand after Bruen. The Supreme Court denied cert in June 2025, with Alito, Gorsuch, and Thomas noting they would have granted. But that case was about rifles. Heller itself was decided in the context of a handgun ban. The Court’s holding was specifically about handguns. That makes this case legally easier, not harder.
Moore’s decision window
Moore has until June 2 to act. He has not said publicly what he intends to do. Moore is a Democrat who votes with his party on guns, and a veteran who sometimes pitches himself as pragmatic. Neither of those things is a reliable predictor here. Fox Baltimore reported a signing event was set for May 26.
If he signs it, litigation follows immediately. The Second Amendment Foundation, the Firearms Policy Coalition, and the NRA’s legal arm have all been active in Maryland. A challenge to SB 334 lands in the Fourth Circuit, the same court that upheld Maryland’s assault weapons ban last year. That is not a friendly draw. But handguns are different from rifles under the existing case law (Heller was about a handgun ban, specifically), and courts in other circuits have been more willing since Bruen to strike handgun restrictions where the common use numbers are obvious.
If Moore signs this May 26, Maryland gun owners have until January 1, 2027 to buy a Glock legally in their own state. Seven months to exercise a right before a law that should not exist kicks in.
Buy the Glock. Then help fight the law.
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