On the cost, I don't have an estimate but I would expect it to be high. First, the FP will have to be harder, probably titanium, so it won't wear. Second, FP manufacturers can no long just build a bunch and ship them out. They make them, and then have the sit and wait for someone to order one with the correct serial number on them. Think of what it costs to get any generic commodity customized compared to the cost of the commodity without the customization. It can easily double the cost. Also is the hassle. If I only have one gun for self defense and my FP breaks, I can't just run down to the parts store and get another, I have to order a custom one, wait for it to be microstamped, and then sent to me. Also the cost in potential liability if the microstamp wears off or becomes dificult to read, which will render my perfectly operable gun illegal and me a criminal just for possessing it.
Don't know about you, but too expensive for me.
I just had another thought. Someone said that even if a gun used in a crime was stolen, knowing the actual owner of the gun would still be useful as it may lead to facts about the original theft. That assumes the microstamped FP has not been switched. What's to stop a criminal from swapping FPs with a cohort, so not only is the gun stolen, but the FP and the serial number of the actual gun doing the firing no longer match. Another possibility for a defense attorney to easily defeat this technology. While fingerprints may not always be discernable, once they are it is pretty easy to prove that the fingerprint found actually matches a person. Not so with this technology. The FP could have been swapped before or after the crime, thereby destroying any usefulness of the evidence.
Don't know about you, but too expensive for me.
I just had another thought. Someone said that even if a gun used in a crime was stolen, knowing the actual owner of the gun would still be useful as it may lead to facts about the original theft. That assumes the microstamped FP has not been switched. What's to stop a criminal from swapping FPs with a cohort, so not only is the gun stolen, but the FP and the serial number of the actual gun doing the firing no longer match. Another possibility for a defense attorney to easily defeat this technology. While fingerprints may not always be discernable, once they are it is pretty easy to prove that the fingerprint found actually matches a person. Not so with this technology. The FP could have been swapped before or after the crime, thereby destroying any usefulness of the evidence.