223 rounds for my AR. I desire to use Hornady 150gr BTSP bullets, but can’t obtain any data to support that. Knowledge tells me the 550 press prefers a ball sort powder. Any thought where to start? Follow printed knowledge only, the only exception is it really is Risk-free to https://300-aac-reloading30639.blogzag.com/81139317/300-blackout-brass-options