first off - varget is more suitable than benchmark for 223 69 gr, but many have found IMR xbr8208 better than any of the hodgden powders for 69 and 77 gr .223 the velocity king, up to 3100 with 69 gr, will be AA2520 - ( likely used in 69 gr FGMM ) , but as always, double base high velocity...