If only one powder and projectile principally for subsonic loads turns out to operate for .300 Blackout that might be terrific. If it turned out to that CFE 223 could fill that part that may be the In addition worlds. Felt recoil will vary from shooter to shooter and rifle https://300-blackout-brass86327.blogoxo.com/38822778/helping-the-others-realize-the-advantages-of-300-aac-reloading