223 rounds for my AR. I wish to use Hornady 150gr BTSP bullets, but can’t uncover any facts to help that. Expertise tells me the 550 press prefers a ball type powder. Any strategy exactly where to start? The aac-sd with 110gr Sierra varmint bullets will shoot a clover leaf https://300blackoutbrass63962.ltfblog.com/37116493/top-300-aac-brass-secrets