A criminal isn't going to be using a freshly purchased firearm with microstamping. They will use firearms stolen or brought into the state in association with other criminal activity. If they do buy a new one, the microstamping capability will be filed and polished off before use.
The level of sophistication of gang criminals using encoded messages indicated they aren't stupid. They will work around this lame approach.
The only people hurt by this stupid legislation are the firearms manufacturers and legal purchasers of firearms. Both will be financially penalized for no good reason.
Criminals do not buy firearms in their own name. This law won’t have even the slightest effect on them.
The goal is to follow Britain and get rid of our firearms. Eventually, they will do it unless the people stand up and fight back. Yes, I mean fight back with the threat of using our firearms.