Assuming no guns CA thinks are 'assault weapons' or short-barreled rifles or short-barreled shotguns or AOWs or machine guns, bring and enjoy. No paperwork required.
See also the wiki -- http://wiki.calgunsfoundation.org/Mo..._with_firearms
, Magazine Qs
, Knife laws
Unless there is some way to amend a bill so you would support it,
the details do not matter
until the Governor signs or allows the bill to become law.
Ask CA law questions in the How CA Laws Apply to/Affect Me Forum
- most questions that start 'Is it legal ...' go there.
Not a lawyer, just Some Guy On The Interwebs.