Magnum range in San Bernardino, Riverside, and Rancho. Mike Raughs in North Corona. There is a new shooting range opening up in Riverside off of Magnolia and the 91 in December.
Don't under estimate the power of a letter.
Email, mail a letter, expressing a formal sincere concern about your 2nd amendment rights to your local representative, senator, congressman, mayor, etc...
The voice of one will become the voice of many. Public pressure will force legislation.