Need To Know News 20-08-17 Original post Cached copy US Court Strikes Down California’s Ban on Large-Capacity Ammunition Magazines Need To Know News - 2020-08-17 - Original post - Cached copy The US Court of Appeals for the Ninth Circuit threw out California’s ban on high-capacity ammunition magazines that hold 10 or more bullets, saying the law violates the US Constitution’s protection of the right to bear firearms.