Re: Here we go again...
Sir you are incorrect: https://www.thoughtco.com/gun-owners-percentage-of-state-populations-3325153
We are #3 per capita - which doesn't even include non-registered arms.
Side note: new firearms purchases from a dealer require background checks. Most used fire arms in NH are not registered as they do not require it.
And only one state has a lower gun murder rate: https://en.wikipedia.org/wiki/Gun_violence_in_the_United_States_by_state