223 rounds for my AR. I choose to use Hornady 150gr BTSP bullets, but can’t discover any knowledge to assistance that. Expertise tells me the 550 press prefers a ball type powder. Any strategy where by to begin? Just caution when searching with .300 Blackout subsonic rounds. Those masses can https://laneslylz.ltfblog.com/37538284/details-fiction-and-300-blackout-cases