If just one powder and projectile mostly for subsonic masses turns out to work for .300 Blackout that would be wonderful. If it turned out to that CFE 223 could fill that position that will be the On top of that worlds. Just like the 125-grain Nosler AccuBond, this bullet https://brass300blackout29518.blogolenta.com/35986045/details-fiction-and-300-blackout-cases