Connecticut Glock Ban Blocked: What the Judge's Ruling Does

Connecticut's ban on selling convertible pistols was supposed to start on October 1, 2026. On September 30, a federal judge in Bridgeport blocked it.

Judge Kari A. Dooley granted a preliminary injunction in two cases, one brought by Glock and one by the National Shooting Sports Foundation. She found the challengers "likely to succeed on the merits of their Second Amendment challenge." The law is still on the books. It just can't be enforced while the cases continue.

We read the 12 page order, the Public Act and the vote records. Here's what changed tonight, what didn't, and what you should watch.

What does Connecticut's convertible pistol law say?

House Bill 5043 passed the House 86 to 64 on April 22 and the Senate 22 to 11 in an overnight session in early May. Governor Lamont signed it on May 26, 2026, and it became Public Act 26-41.

It defines a convertible pistol as a semiautomatic pistol with a cruciform trigger bar that can be "readily altered by hand or with a common household tool." The test is whether a converter at the back of the slide would then make it fire as a machine gun. The statute lists what counts as a household tool, from a screwdriver to a rotary tool.

Two kinds of pistol are excluded. Any hammer fired pistol is out. So is a pistol whose frame has a molded tab that shields the trigger bar from a converter, unless the tab can be readily removed.

Which Glocks would it have banned?

The ban was narrow, and most coverage missed how narrow.

It made it a class D felony to knowingly import, advertise or sell a covered pistol manufactured on or after October 1, 2026. A Glock made the day before was outside it. Sales between two private parties who aren't dealers were exempt, whatever the manufacture date.

There was never any registration, surrender or possession ban. If you already own a Glock in Connecticut, this law didn't ask anything of you before the ruling, and it doesn't now.

Why did the judge block the Glock ban?

Connecticut conceded, for this stage only, that the law touches conduct the Second Amendment protects. Under the Supreme Court's Bruen test, that put the burden on the state to show a matching historical tradition.

The state pointed to founding era "proving laws," which required guns to be tested before sale, combined with the long tradition of banning machine guns. The judge didn't accept the match. Proving laws checked that a gun was safe before it was sold. They couldn't stop later misuse, and nobody disputed that an unconverted Glock is safe and popular for self defense.

She also pressed on the manufacture date. The state gave "no adequate explanation" for why a pistol made on September 30 needs no regulation and the same pistol made 24 hours later does.

What the ruling left open

Three things are still open.

1. Whether the law survives. The judge called the state's argument "not without some force" and said that on a fuller record the outcome "may well be different." A preliminary injunction holds the status quo. It doesn't end the case.
2. Whether Glock's newer pistols were ever covered. Glock asked for a declaration that its SlimLine, V Series and Gen6 pistols fall outside the definition. The court didn't reach that question. The state's lawyers told the court their assessment is underway.
3. The rest of the Act. Public Act 26-41 also covers unfinished frames and receivers, voluntary surrender of guns and ammunition, and permit refunds. None of that was part of this ruling.

Will Connecticut appeal?

Attorney General William Tong said the state "does not agree with the Court" and will keep defending the law. Senate leaders Martin Looney and Bob Duff called it a "tortured interpretation" and said "we'll keep fighting in court."

No appeal to the Second Circuit had been docketed when we checked on the evening of September 30. If one comes, the state can ask for a stay, and a stay would put the ban back in force while the appeal runs. That's the thing to watch this week.

Can you buy a Glock in Connecticut now?

While the injunction holds, the state's prosecutors can't enforce the sale ban. The separate injunction order wasn't public when we checked, so you don't yet know its exact wording. Ask your dealer how they're reading it before you order a pistol made after October 1.

If you'd rather not depend on the injunction at all, you've got two clean routes. A pistol made before October 1 was never covered, and a sale between two private parties was always exempt.

We'll also be watching for the state's answer on the SlimLine and Gen6 question. A written position that those pistols were never covered would matter to buyers whatever happens to the injunction.

Glock bans in Maryland, New York and California

Four states have passed a version of this law, and the courts are already split.

Maryland bans sale, purchase and transfer of covered pistols from January 1, 2027, with a carve out for transfers to immediate family. On September 25 a federal judge in Baltimore refused to block it. Two judges reached opposite results on nearly identical laws within a week. Our Maryland guide covers it.

New York treats a convertible pistol fitted with a converter as a machine gun from August 25, 2026, and bars dealer sales from May 31, 2027. A challenge is pending in federal court in Buffalo.

California has barred dealers from selling convertible pistols since July 1, 2026. A request to block it was denied in July. The state has since added a Glock 43X CA to its roster without the convertible flag.

A Connecticut ruling doesn't bind courts in any of those states.

Glock switches are still a federal felony

None of this touches the devices themselves. A pistol converter, sometimes called a switch or auto sear, turns a pistol into a machine gun. Owning one is a federal felony in every state, and that hasn't changed.