As the title mentions I will be moving from CA to Oahu this Fall. I have a few questions about gun laws/hunting and was happy to find this active 2A community.

I am planning to bring all my firearms. From reading online it seems I have two weeks upon arrival to visit the Honolulu police department to register all guns. Is that correct? Do I need an appointment/call before hand?

Seems like all my CA legal firearms are good to go? No standard cap mags and no NFA items are the only restrictions?

I have a CCW in CA and have a clean record with no mental health issues. Is Honolulu police department handing out CCWs if I complete all the necessary steps? What is the time line?

Looks like there is one public range. Any IDPA or USPSA comps? Pistol range minimum 25 yards?(!). I have steel targets, not worth it to bring?

I will also be brining my bird dog, yes started that lengthy vet process. Hawaii govt website shows many upland bird species to hunt. Is that accurate? Seems like two parcels of land open for upland on Oahu.

For mammals, it seems goats and pigs on Oahua and Lanai has good Axis and Mouflon. Obviously will be brining my spearfishing set up but would love to try an arrow or use my 6.5 for "big" game. Any insight on that?

Thanks for your time.