NRA-ILA partners with California Rifle & Pistol Association to petition the Supreme Court to hear a challenge to California’s ban on magazines capable of holding more than 10 rounds. This is the second magazine restriction NRA-ILA has brought before the Supreme Court in as many years.NRA-ILA partners with California Rifle & Pistol Association to petition the Supreme Court to hear a challenge to California’s ban on magazines capable of holding more than 10 rounds. This is the second magazine restriction NRA-ILA has brought before the Supreme Court in as many years.