not much data out there on the new sierra 69gr TMK, going to a 500yd range later in the week, i have some 75 Amax's loaded, i want to try the Sierra 69gr TMK, i have a few loaded with 24 RL 15, 24 H4895 and 24 Varget and 24.5 Varget, are there any other loads to try. will be shooting the Model 12FV

Chet