Testing a new load for the .308 this morning. Tried out 42.5 grains of Varget be

Testing a new load for the .308 this morning. Tried out 42.5 grains of Varget behind a 168-grain BTHP. Thing was printing 0.75 MOA at 200 yards, pretty consistent. Always amazes me what a little tweak can do. Anyone else had similar luck with that combo, or should I keep tweaking?