223 rounds for my AR. I need to use Hornady 150gr BTSP bullets, but can’t come across any data to assistance that. Experience tells me the 550 press prefers a ball kind powder. Any thought where to start? In her spare time, she shoots in NRL22 club matches around the https://archerrjvht.snack-blog.com/39095525/5-easy-facts-about-brass-300-blackout-described