223 rounds for my AR. I need to use Hornady 150gr BTSP bullets, but can’t find any facts to guidance that. Expertise tells me the 550 push prefers a ball variety powder. Any plan in which to get started on? Felt recoil will differ from shooter to shooter and rifle https://andersonebcsd.gynoblog.com/37674396/fascination-about-300-blackout-projectiles