I've had good results with 24.2 grains of Varget with that bullet out of a 16" AR barrel. I've had better results using 22.5 grains of TAC.
24.2 of Varget was getting around 2600 fps and around 1 moa groups. Tac was getting around 2600 fps and 0.5 to 0.75 moa groups.
24.2 of Varget was getting around 2600 fps and around 1 moa groups. Tac was getting around 2600 fps and 0.5 to 0.75 moa groups.