SAN FRANCISCO (KCBS) — The National Rifle Association is suing on behalf of the San Francisco Veteran Police Officers Association over the city’s upcoming ban on the possession of gun magazines capable of holding more than 10 rounds.

Attorneys for the NRA, Michel & Associates, filed suit in a federal court Tuesday. The lawyers claimed that Second Amendment rights are being infringed upon and that that the amendment protects what they called “common, standard-capacity” magazines.

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Their argument also said the U.S. Supreme Court has confirmed that self-defense is the “central component” of the Second Amendment and that law enforcement concurs with their stance that magazines of this capacity are used for sport shooting and target practice.

The ordinance is set to go into effect December 8th this year, but residents would have until March 8, 2014 to turn their magazines over to police, or transfer them to a licensed firearms dealer.

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San Francisco City Attorney Dennis Herrera’s office responded to the suit by saying, “the NRA is continuing its attack on common sense.” He also called their move part of the organization’s “extremist agenda.”

The plaintiffs are seeking an injunction to prevent the city from enforcing the law.

Meanwhile, Herrera’s office noted that the Supreme Court has given state and local governments the ability to enact reasonable firearms regulations.

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