Your really over thinking things. Most criminals aren't that smart. Most legal gun owners would have a solid alibi of some sorts of where they've been. A good lawyer would never allow someone to be found guilty over a couple of shells at the scene. While what your stating isn't impossible I...
I have no problem with a special firing pin. I'm a law abiding citizen. If I ever need to use my gun it will be for self defense.the facts are that while this law wouldn't reduce crime that is true. It would help put more people behind Bars because it would be much easier to identify a weapon...
The bullet will set back further in the case from repeated loading and unloading. Once the bullet is pressed back to a certain point it creates too much pressure within the round and kaboom