If the firearms and ammunition manufacturers had any guts, they'd abandon the California market now. If all the manufacturers agreed not to sell to any California based enterprise, including local police, sherrifs, CHP, National Gaurd organizations, perhaps the outcry from these groups would be enough to shut up the AG.
That's what Ronnie Barret did.
Barret, maker of the .50 cal outlawed in California will not perform any maintenance or repair on its products for any California police dept.