Proof California

I want to trade my glock for a sig pistol. Do I need proof of residency in California?

Tried posting in the hunting section but really didn’t get a clear answer. Thanks.

If you are trading it in through a gun dealer, yes you do.
Just because you possess a handgun, doesn’t mean that you will be allowed to trade it for another without proof of residence.
This site has some good information on handgun trades and purchases in Cali:

http://caag.state.ca.us/firearms/pubfaqs.htm

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