If just one powder and projectile largely for subsonic masses turns out to operate for .three hundred Blackout that will be excellent. If it turned out to that CFE 223 could fill that role that could be the best of all worlds. Felt recoil will differ from shooter to shooter https://elliotsdnwh.nizarblog.com/39259280/helping-the-others-realize-the-advantages-of-300-aac-reloading