223 rounds for my AR. I would like to use Hornady 150gr BTSP bullets, but can’t discover any information to help that. Experience tells me the 550 push prefers a ball sort powder. Any plan where by to start? Similar to the a hundred twenty five-grain Nosler AccuBond, this bullet https://brass-300-blackout84308.angelinsblog.com/37414599/5-easy-facts-about-brass-300-blackout-described