Big questions remain, though, about whether the new law will actually result in such guns being offered for sale.
A pair of engineers in New Hampshire are credited with inventing microstamping as a potential law enforcement tool three decades ago. The process involves engraving a serial number inside the firearm, on the tip of the firing pin or breech face. Diaczuk said he’s also worried about a lack of research on microstamping and how long the engraving technology lasts before it wears out. He said worried supporters are exaggerating how well microstamping is proven to work.
California lawmakers are now trying tweaks. New weapons used by law enforcement agencies in the state must utilize microstamping starting in 2023. Another law would gradually whittle down the list of noncompliant handguns approved for sale in California by removing three older models for every new, microstamp-equipped model put into the market, starting July 1.
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