I was doing some research earlier this afternoon on the Kalifornia DOJ site (trying in vain to get a PTR-91). Some of your answers can be found here:
http://ag.ca.gov/firearms/
http://justice.doj.ca.gov/safeguns/safeguns.asp
http://caag.state.ca.us/firearms/forms/pdf/Cfl2006.pdf
http://ag.ca.gov/firearms/
http://justice.doj.ca.gov/safeguns/safeguns.asp
http://caag.state.ca.us/firearms/forms/pdf/Cfl2006.pdf