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In a landmark ruling, the California Supreme Court has upheld a controversial gun law that prohibits the possession of large-capacity ammunition magazines in the state. The decision, handed down on October 17, 2025, marks a significant victory for gun control advocates and sets a precedent for other states grappling with similar issues.The case, Duncan v. California, centered around a challenge to the state's ban on possessing magazines capable of holding more than 10 rounds of ammunition. The plaintiffs argued that the law violated their Second Amendment rights to bear arms, while the state contended that the restriction was necessary to protect public safety.In a 5-2 decision, the state's highest court sided with the state, affirming the constitutionality of the ban. Writing for the majority, Chief Justice Tani Cantil-Sakauye noted that the law was a reasonable regulation designed to reduce the risk of mass shootings and enhance public safety."The state has a compelling interest in preventing senseless acts of gun violence, and the restriction on large-capacity magazines is a narrowly tailored means of advancing that interest," Cantil-Sakauye wrote in the opinion.The ruling drew swift praise from gun control advocates, who hailed it as a victory for common-sense gun laws. Shannon Watts, founder of Moms Demand Action, a grassroots organization advocating for gun violence prevention, lauded the decision as a "historic milestone in the fight to keep our communities safe."However, the decision was met with sharp criticism from gun rights groups, who vowed to continue their legal challenge. Brandon Combs, president of the Firearms Policy Coalition, condemned the ruling as an infringement on Californians' constitutional rights."We will not stand idly by as our Second Amendment freedoms are eroded by overreaching government mandates," Combs said in a statement. "This decision sets a dangerous precedent that threatens the rights of law-abiding citizens."The legal battle over the ban on large-capacity magazines in California has been fiercely contested for years, with multiple lawsuits challenging the law's constitutionality. The Supreme Court's ruling, which affirms the ban as lawful, is expected to have far-reaching implications for gun control legislation in California and beyond.As the debate over gun rights and gun control continues to divide the nation, the California Supreme Court's decision in Duncan v. California is likely to reignite the contentious issue and spark further legal challenges in