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A major retailer used to sell muskets online. It stopped after a shooting death in Ohio.

Bass Pro Shops and its subsidiary Cabela’s last year quietly stopped internet and telephone sales of antique-style revolvers and muskets, closing what gun violence experts said had been a loophole for people with felony convictions to illegally buy firearms.

The move came after a 2016 shooting death in which an Ohio man who was legally barred from possessing a gun was still able to buy a replica Civil War era revolver over the phone from Cabela's. He later used it to shoot and kill his neighbor, according to a lawsuit filed by the neighbor's family.

“Cabela’s has instituted sweeping reforms to its marketing and sales practices to keep black powder guns out of the hands of individuals with a violent history and others prohibited by law from possessing a gun,” said Jonathan Lowy, a lawyer for the family and the chief counsel for Brady: United Against Gun Violence, a group that favors increased regulation of gun purchases.

The restriction on what are known as black powder guns is another example of large U.S. retailers rethinking how easy they’ve made it for Americans to buy firearms, especially online, after high-profile or preventable shootings.

While firearms are still easily accessible for many Americans, changes have been coming to large retailers in recent years in response to gun violence. In 2019, Walmart discontinued the sale of some ammunition and weapons and asked its customers not to openly carry firearms in its stores.

Black powder firearms — named for the loose gunpowder that needs to be loaded into the guns — are a niche product that owners often buy as an unusual way to hunt or as a historical throwback to an era such as the Revolutionary War.

The replicas are based on antique technology but made with modern materials, and in some circumstances, they can be as deadly as modern firearms.

And in some places, black powder guns are also one of the few ways a person with a felony conviction can purchase a firearm. A 1968 federal law that otherwise bars people who’ve committed serious crimes from having a gun has an exception that allows for antique-style guns. State laws vary, with some states allowing felons to buy them while others, like Ohio, do not, a situation that authorities said has sometimes led to unlawful sales.

Now, Bass Pro Shops and Cabela’s say they’re selling black powder guns only in stores, requiring buyers to physically pick them up as a way to improve legal compliance. Labels on the stores’ websites reflect the change.

“We take compliance very seriously and we are steadfast in our commitment to following all local, state and federal laws,” Cabela’s said in a statement.