What would the dope be for a 421 or 547 yard target, roughly. From a 50 yard zero? Or would a 100 yard zero (84 or 164 yard specific to this match maybe) work better.

Like a 30 MOA rail, at a common height over bore, some zero distance, and a scope with what kind of travel then plus the tree reticle? Thinking a VIPER? PST™ GEN II 5-25X50 FFP EBR-7C (MRAD) Reticle.