California has a law requiring the use of microstamping on semi-automatic handguns, however, models previously certified for sale in the state are exempt. I do

California has a law requiring the use of microstamping on semi-automatic handguns, however, models previously certified for sale in the state are exempt. I do not believe any manufacturer is actually offering a microstamped firearm for sale. The stamps are required to be on the firearm, not the ammunition. They're supposed to leave an identifiable mark on the ammunition when fired.