Thankfully California isn't really that bad when it comes to shooting in the SASS world, besides transporting them safely the cowboy guns aren't "scary guns". If you get a cool enough cop and for what ever reason you are showing them the guns they would probably think that they are awesome guns that they find fascinating and want to talk about them (or at least that's what happened when flying home from the Tennessee State this year with TSA).
So short of pulling your gun out in a public area other than the range there's not much to fear here...
You mean they would tell yo