What the what?! Did we read that right? Yep, the usually NOT 2nd Amendment friendly 9th Circuit has said California CANNOT limit magazine capacity!
Here's a story by the Washington Post.
https://www.washingtonpost.com/national/9th-circuit-ends-california-ban-on-high-capacity-magazines/2020/08/14/f77751cc-de52-11ea-b4f1-25b762cdbbf4_story.html
Here's a PDF copy of the actual response by the court.