Michigan Attorney General Dana Nessel is taking aim at one of the most popular semi-automatic pistols in America, signing on to a letter Tuesday threatening Glock over modifications made by others.

Nessel is among 13 Democrat states attorneys general who penned a letter to Glock general counsel Carlos Guevara calling for the company to preserve documents related to a March 19 lawsuit filed by the City of Chicago.

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“In that lawsuit … Chicago alleges that Glock has known that the guns can be easily adapted into a machine gun with the addition of an auto sear – a cheap, small device commonly known as a ‘Glock switch,’” the letter read.

City officials allege the conversion capability is built into the company’s handgun design, and the lawsuit aims to block sales of Glock pistols to Chicago civilians. Tuesday’s letter suggests the top law enforcement officials in 12 states and the District of Columbia may pursue similar litigation, requesting Glock preserve information on the use of the auto sears, how its pistols are designed, financial details, and marketing materials.

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GunBroker in January listed both the Glock G19 and G43 pistols among the “Top-Selling Handguns of 2023,” while American Precision Firearms in 2021 ranked the Glock G19 number one, as it’s “a favorite among law enforcement, concealed carry holders, and recreational shooters.”

Glock’s domestic firearm production in 2021 was 581,944, or 4.2% of all U.S. made firearms, according to 24/7 Wall Street.

The Chicago lawsuit alleges Glock has known some of those guns have been modified to become fully automatic, rendering them “a weapon of choice for criminals in Chicago,” according to the AGs.

But instead of focusing on the criminals, both in Chicago and those illegally modifying Glock pistols, the AGs aim to force Glock to “put in place reasonable controls, safeguards, and procedures to prevent their unlawful possession, use, and sale,” the letter read.

“Turning a pistol into a deadly machine gun should not be as easy as fitting Lego pieces together,” said New Jersey Attorney General Matthew Platkin, who led the Tuesday letter to Glock. “If Chicago’s allegations are true, it would be difficult to think of a better example of a company choosing bloody profits over public safety by ignoring more responsible design choices. Numbers don’t lie, and these modified weapons are being recovered by law enforcement at levels that are frankly shocking.”

If successful, the Chicago lawsuit and potentially others in a dozen states would effectively ban one of the top options for lethal self defense in America, though gun rights advocates online have noted all semi-automatic weapons can be converted to fully automatic.

“By far the most haunting part of this letter is the supposed ‘legal responsibility’ @GLOCKInc has to make sure their firearms can’t be modified by criminals,” one X user posted. “Such a precedent would quite literally render every single semi-automatic firearm a machine gun as ALL semi-automatics can be modified into full-auto with relative ease.”

While Nessel has not publicly addressed the lawsuit, other actions against gun owners from Gov. Gretchen Whitmer’s administration and Democrats in the Michigan Legislature leave little doubt the aim is to restrict gun rights.

Since Democrats seized control of all three branches of Michigan government in 2022, they’ve increased requirements for background checks and safe storage and implemented red flag laws, while Nessel has joined other lawsuits focused on restricting firearm ownership and possession.

Nessel told Michigan Advance in January she’s now working with lawmakers on additional legislation focused on so-called “ghost guns,” and to restrict the rights for anyone accused of domestic violence.

“Like you all, I’ve been frustrated for decades at the lack of tools available in our state to prevent lethal weapons from falling into the hands of those who should not have access to them,” Nessel said at the Michigan Gun Violence Prevention summit.

Ironically, Nessel’s work to restrict access to firearms is focused on legal gun owners, largely ignoring criminals using illegal weapons for murder and mayhem.

Tuesday’s letter came the same day illegal immigrant Brandon Ortiz-Vite was arraigned on an open murder charge in the shooting death of a 25-year-old woman. Michigan State Police allege Ortiz-Vite, who was previously deported in 2020 under the Trump administration following a series of crimes, used an illegally purchased pistol to murder Ruby Garcia, before dumping her body on US 131 in downtown Grand Rapids.

It’s been nearly a week since Ortiz-Vite’s arrest, and Nessel has yet to address that heinous crime.