223 rounds for my AR. I wish to use Hornady 150gr BTSP bullets, but can’t obtain any details to help that. Working experience tells me the 550 push prefers a ball sort powder. Any thought in which to start? In her spare time, she shoots in NRL22 club matches around https://brass-300-blackout18530.ttblogs.com/17573853/5-essential-elements-for-300-blackout-brass