223 rounds for my AR. I wish to use Hornady 150gr BTSP bullets, but can’t locate any facts to help that. Knowledge tells me the 550 press prefers a ball sort powder. Any notion in which to start? The aac-sd with 110gr Sierra varmint bullets will shoot a clover leaf https://reloading-300-blackout-aa83730.activosblog.com/37189029/300-blackout-bullets-for-reloading-secrets