Along the same lines: But, this time it is California's expanded Assault Weapons Control Act that is being challenged as unconstitutional. The case is: "Rupp, et al., vs. Becerra" Here is the complaint:

http://www.andrewwatters.com/files/Rupp-v-Becerra.pdf

It is being supported by the NRA. See:

https://www.nraila.org/articles/201...-californias-assault-weapons-control-act

This will also probably end up in the Supreme Court. You have to wonder about the timing of the filing of these two 2nd. Amendment cases ... right after Gorsuch was confirmed and filled the vacancy.