I live here in socal too....Im a cop and unfortunatly we too are NOT exempt from purchasing AR-15's (with the exception of our departments giving us letters, yet the gun must be registered to the department....blah blah blah.)
Luckly, I purchased two AR's, just before the ban.
But, you ask "how does that help me?" Well, I believe I may have a compromise for you.
Screw the AR-15's, because you can't buy/own them here anymore. Instead, go out and buy a new Springfield M1-A in .308!!!!!
You can go into Nevada (Las Vegas) or Arizona and find 20 round magazines for the gun. I don't understand why CA would ban AR's and AK variants, yet allow M1-A's. (Great for us Californians).
In my opinion, one could do more damage with a M1-A and a couple of 20 round magazines, vs. the AR's with the little .223 bullets.
But you better hurry. Once the CA anti gunners realize that they forgot to ban the M1-A's, they'll get those next!!!!!