A federal judge has ruled again in favor of Gov. Phil Murphy’s ban on 10-round gun magazines, delivering a crippling blow to a gun rights group that was challenging the law’s constitutionality.

U.S. District Judge Peter G. Sheridan ruled earlier this month that the 10-round magazine limit (A2761) on firearms is constitutional after the state moved for a judgement on the case. Sheridan sided with a federal appellate court’s ruling and said its decision “resolves all legal issues in this case.”

Murphy signed the law, which state officials hailed as a measure to reduce casualties in a mass shooting because it doesn’t allow for magazines with more than 10 rounds of ammunition, in June 2018. Within an hour, the Association of New Jersey Rifle and Pistol Clubs filed a lawsuit challenging the magazine limit and its constitutionality.

However, the group’s claim was denied by the court multiple times.

In a September 2018 decision, the U.S. District Court denied Association of New Jersey Rifle and Pistol Clubs effort to enjoin enforcement of the new law.

The court ruled the law did not "prevent ownership of any type of gun and does not restrict the quantity of ammunition a gun owner may possess."

The pro gun group appealed, but the U.S. Court of Appeals for the Third Circuit affirmed the decision in December 2018, ruling the “law reasonably fits the state’s interest in public safety” and does not violate any Constitutional amendments.

After that decision, state officials, including Attorney General Gurbir Grewal, moved for a summary judgement from a federal judge against the Association of New Jersey Rifle and Pistol Clubs.

“The Third Circuit has now reviewed—and rejected—all of (Association of New Jersey Rifle and Pistol Clubs) challenges to New Jersey’s large capacity magazine law,” Grewal wrote in a brief outlining why the judge should rule in favor of the state.

U.S. District Judge Sheridan granted that motion on July 24, according to court records.

Sheridan wrote that the Third Circuit “issued a precedential decision that resolves all legal issues in this case and there remains no genuine disputes of material fact.”

#Breaking: A federal district court just confirmed what we've said all along - New Jersey's large capacity magazine law is constitutional. Proud to lead this fight for public safety and law enforcement safety. pic.twitter.com/HD3RpmgST5 — AG Gurbir Grewal (@NewJerseyOAG) July 29, 2019

After the Third Circuit’s 2018 decision, Scott Bach, the group’s executive director, said the group would consider filing a petition up to the U.S. Supreme Court. Bach could not be immediately reached for comment Monday on the most recent ruling.

He previously said the law “turns a million people into criminals with the stroke of a pen." Bach estimates there are over one million gun owners in New Jersey.

Eight other states and the District of Columbia have enacted laws that put restrictions on magazine capacity: California, Colorado, Connecticut, Hawaii, Maryland, Massachusetts, New York, and Vermont.

NJ Advance Media staff writer Matt Arco contributed reporting to this story

Joe Atmonavage may be reached at jatmonavage@njadvancemedia.com. Follow on Twitter @monavage. Find NJ.com on Facebook.

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