Miami Rifle & Pistol Club is the only range in the western side of the state that goes past 300 yards. It's a KD type range (no steel AT ALL) and it's members only unless there's an organized event, which are all open to the public.
Membership is a long ass wait list.
All their rifle shooting is NRA across the course or mid range prone. Mid range prone matches have both F class and sling. Third Sunday of the month there's an informal 20 round 600 yard prone "match" open to the public. You will need to work the pits during one of your relays, if you've never done that before just say so.
I used to be a member but dropped it when realized it's not practical to shoot there by yourself, and I live 1 hr away.