If just one powder and projectile mainly for subsonic loads seems to work for .300 Blackout that will be excellent. If it turned out to that CFE 223 could fill that purpose that would be the On top of that worlds. Just like the 125-grain Nosler AccuBond, this bullet sent https://reidvgrbj.blogcudinti.com/38934256/the-basic-principles-of-300-aac-brass