New Jersey Attorney General Matthew Platkin (D) outlined the state’s plan to require guns sold in the state be outfitted with micrcostamping technology to leave an “identifying marker” on spent shell casings.

Two things: 1) The technology only applies to semiautomatic firearms, as they are the guns that eject shell casings after each shot. Therefore, criminals who use revolvers will immediately circumvent the microstamping issue. 2). Maryland had a microstamping requirement for 15 years and ended it after spending $5 million to maintain the microstamping database but solving no crimes.

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