223 rounds for my AR. I wish to use Hornady 150gr BTSP bullets, but can’t obtain any data to aid that. Expertise tells me the 550 press prefers a ball style powder. Any concept the place to start out? Measuring only at one.72″ in length, the Gamma by VG6 Precision https://griffinqblwg.blogsumer.com/37951614/the-5-second-trick-for-300-blackout-cases