Nice! Dies, bullets and brass are easy to source, even if you have to order online. Powder and primers can be awfully scarce, and even more difficult to find locally which means hazmat shipping. I'm sure one of your friends can guide you on what to buy if you decide to jump in. I would start...
"I don't reload (at least not yet) so ammo is certainly a consideration."
It's intimidating to get started if you don't have anyone to guide you, but the truth is anyone can do it. So glad I finally made the jump. There are a lot of cool cartridges I never would have considered if I had to...
Have you measured your old and new brass for comparison? Could be the shoulder needs bumped, or maybe the rim is oversized. Your caliper will tell you what's what.
What dies are you using?
The piece of fire formed brass that you resized fits your chamber, but the new Nosler brass is a tight fit even after sizing? Sounds like your new brass might be out of spec, or maybe it had an unusual amount of spring back after sizing. Weird. Can you load any of your...