A U.S. federal district court judge ruled Wednesday that California cannot enforce a law requiring people to undergo background checks to purchase ammunition, holding that the law has “no historical pedigree” and violates the Second Amendment.

“A sweeping background check requirement imposed every time a citizen needs to buy ammunition is an outlier that our ancestors would have never accepted for a citizen,” wrote U.S. District Judge Roger Benitez, an appointee of former President George W. Bush.