I have two concerns. I am concerned about the possibility of a national registry. Don't trust what future administrations would do with it. Also, the wide range of laws between states. I could be charged with a felony going back to NJ with my full size SC legal M&P 9mm with 17 round mag. What other states have rules and laws that I don't know about? Thinking about a planned cross country road trip and "touching" states when my "protection" makes me a "criminal." Will be carefully planning and researching the states we will travel through.