U.S. District Judge Stephen McGlynn says the law bans firearms covered by the Second Amendment and is not supported by historical precedent.

The decision comes as a federal appeals court in the state last month upheld the assault weapon ban — which was passed last year following a mass shooting at a Fourth of July parade in the suburbs of Chicago — arguing that the ban constitutes a reasonable limit on the Second Amendment.

A panel of federal judges is weighing whether to overturn a Cook County ban on semiautomatic weapons in a case that could upend other local bans and call into question the statewide prohibition on the controversial class of firearms.

Officials in the state have already filed an appeal after the Trump-appointed judge’s ruling, which cites recent Supreme Court decisions on the Second Amendment.

A federal judge overturned Illinois‘s ban on semiautomatic weapons on Friday, but Gov. J.B. Pritzker (D-IL) has promised to appeal the ruling and attempt to restore the ban. “Despite those who value weapons of war more than public safety,

The case went before the appellate court only four days after a conservative federal judge declared Illinois' statewide assault weapon ban unconstitutional.