Don't over complicate it ! Combustion, Harmonics, external ballistics. The right powder and charge weight, the right seating depth, and good bullets. That's all there is to it
https://www.youtube.com/watch?time_continue=39&v=6VEMZJYovMA&feature=emb_logo
https://www.youtube.com/watch?time_continue=39&v=6VEMZJYovMA&feature=emb_logo