Lost my hunting partner (DaD )in 2020. Nothings the same anymore. The Fall was our time together. I've hunted my whole life, but I could careless to hunt after that. But my son got me to go out this year and I'm so glad he did. No big kills , just glad to be in the woods again with my son.
In other words you said you need to come up 8 moa. Try tweaking numbers here an there to get to 8 moa. Then check other distances. I've made it to 700 this way ,made my own moa chart.
I've had to tweak my bc, my velocity,my scope height, to hit per strelok. Once tweaked to match what I already kno to come up ,it matches pretty good on out.