In California, one is not allowed to used deadly force to protect their own lives.
False
technically, it is false.
You can use deadly force to defend your life.
Provided you run away and are being chased into a corner by a guy with a knife. And that you are rich enough to pay off a politician to give you a concealed carry permit. Unless your in your home, then you'll have to leave your home, jump fences and only when you are completely trapped with no way of escape, you can use lethal force. Then be charged for having a firearm outside your home with no gun lock. No stand your ground or castle laws in California. You're required to retreat and you can only use lethal force when faced with 'equal' force.
Meanwhile, in Oklahoma,
You can't be charged with a crime or be arrested for defending your home from a home invader. You have the presumed right to use lethal force if you're attacked somewhere you have a right to be. And you can't be sued for it. No mandated gun locks, no magazine restrictions, no gun bans.
I can go to wal-mart and buy an AK-47 for 500 bucks and walk out with it in 5 minutes.