No. New CA law this year.
It should be fine as long as the ammo isn't in the gun.
Check with a local gun shop.
Most gun dealers will carry or order it for you.
If you mean can you fire non plus P ammo in a gun rated for plus P, yes, you can safely do that as long as it is the correct caliber.
It is very difficult to make an ammo clip for any type of gun. You need very controlled precision and proper design in order to ensure adequate and safe feed. It is best to buy one from a reputable gun dealer or gun smith.
Most gun shops can order it for you if they do not have in stock, but there has been a shortage of much ammo over the past 18 months in the US.
Yes. Loading in too much ammo can actually jam your gun.
Tales of the Gun - 1998 Bullets and Ammo was released on: USA: 1999
No, and you can't drive a car with no fuel. A gun is a device to launch ammunition. You can "dry fire" a gun with no ammo, but that is not good for SOME guns.
Gun Shy - 1983 Mail Order Mommy 1-6 was released on: USA: 19 April 1983
Gun shops, gun shows
Buy it