ON THE POLITICAL ENVIRONMENT (AS I SEE IT)
I agree, it is just a matter of time until every firearm is on the chopping block in California.
For reference, New York City has a complete ban on all handgun ownership and possession (even though legally owned elsewhere in the State of New York). District of Columbia is similar.
So, yes, they will go after that 1911,... someday.
The M1 Garand is a semi-auto centerfire. They'll come after that, too.
They'd already have banned them all if they thought they could get away with it. California is a one party State. All they lack is the guts to go for a full ban.
In the end, it makes no difference. If you own firearms, they know you have them (or can easily find out). Buy and keep what best suits you and your mission.
YOUR GEAR CHOICES (AS I SEE THEM)
The 1911 is a fine pistol for just about anything.
The M1 is a fine rifle but is BIG and heavy and so is a load of its ammo. It is less well suited to tight quarters than some due to its length. Still, there's nothing really wrong with it.