Just curious, for your 600 yd match load what is your accuracy and standard deviation? For now I am using 42.5 grains of varget w/ a Sierra 168 mk with an asd is 14 but it prints a .668 inch 5 shot group at 200 yds. My twist is a 12 on a factory 26" 700. With rl15 I've had a lower sd but the...