Good luck on getting gun manufacturers to jump on the no sales to CA deal.
SIG, Glock, and HK are european liberal socialist run/owned companies. I'm sure they have already been working on this technology, and may even be ready for market with their new products.
S&W, Ruger and Taurus, are licking their chops as well since they know this will provide a great boost to their revolver sales.
Life will simply go on just the way it has. Even if they had passed a law that required each shotgun pellet have a serial number on it, I'm sure that would be OK with the most prolific gun owner in CA, BUBBA Hunter. Thanks BUBBA, now go watch your football game and chug a couple sixpacks before you beat your fat wife.
The gang bangers and criminals couldn't give one crap.
Because you see they are 1. Criminals and are already entitled to 10 years in jail for possesion of a firearm under federal law which, BTW they never get prosecuted for.
And BEST of all this law DOESN'T apply to Criminals, remember the case where a gang banger was caught with a, unregistered assault gun a few years back, and CA tried to prosecute him under the law that said you had to register your assault weapon?
The CA court ruled that this was an unconstitional requirement for a criminal to incriminate himself, and violated his 5th ammendment rights to remain silent/ not incriminate himself. Thus no crimminal can be prosecuted under CA law for failure to comply with this or any other gun control scheme that requires registration or involuntary incrimination. Law abiding citizens can however be prosecuted under the AW law and this one as well.