I’d also try to find a range with HP shooters and talk to them. Prob 75% of the guys I used to shoot with would hook you up with their back up gun, mat, spotting scope and all their gear just to help you out and attract a new shooter. They would probably supply the ammo too!
Most can/will help you navigate through it all and let you try a few things before jumping in head first.
Most can/will help you navigate through it all and let you try a few things before jumping in head first.