You can call the Governor @ 1-916-445-2841 to express your opinion on this Bill.
It is an automated system, after you dial:

Press 1 for English
press 2 to voice your opinion
press1 for microstamping
Press 2 to Oppose microstamping.

You speak to no one and it takes about 20 seconds.

All who believe in the Right to Keep and Bear Arms should call.

Thanks to Smokin' John at the SASSWIRE for this information. Go call!