223 rounds for my AR. I would like to use Hornady 150gr BTSP bullets, but can’t discover any knowledge to support that. Knowledge tells me the 550 push prefers a ball kind powder. Any notion where to begin? Measuring only at 1.seventy two″ in duration, the Gamma by VG6 Precision https://300-blackout-brass09518.blogstival.com/59990774/the-ultimate-guide-to-300-aac-brass