223 rounds for my AR. I choose to use Hornady 150gr BTSP bullets, but can’t uncover any data to guidance that. Experience tells me the 550 press prefers a ball form powder. Any idea the place to get started on? Just caution when looking with .300 Blackout subsonic rounds. Individuals https://300-blackout-reloading86407.techionblog.com/37914627/300-blackout-brass-things-to-know-before-you-buy