Originally Posted by
Budget
My biggest concern would be court. If I had to defend myself with lethal force with an NFA item, I would be worried the prosecution could use it against you. For instance, "he used a silencer to (attempt to) murder my client." A good shoot is still a good shoot, but they will throw anything at you. I believe a guy was convicted in AZ for using 10mm? That is probably internet legend but I wouldn't put it past prosecution or jury.
Maybe someone smarter than me could chime in.