i have never loaded for this round. i load 308,22-250 though. i am finding that the 243 takes a slower burning powder than either the 308 or 22-250, WHY? doesnt make alot of sense too me. anyway i have some 85gr sp bullets and some 70gr sierra blitzkings. please post your fav loads, any bullet weight or powder. i have rl-15,w748,aa2495,wc844,wc846 powders. thanks