You are not legally obligated to show paperwork to anyone but ATF. However, showing it to LeO or range idiots may be helpful.
I have one copy on my phone but not the paper stuff. While it’s legal to travel out of state without filing forms I just don’t bring mine. Easier that way.
I have one copy on my phone but not the paper stuff. While it’s legal to travel out of state without filing forms I just don’t bring mine. Easier that way.