I load 57 grains of IMR 4350 with a 140 ballistic tip for the two Sako’s I have. They both have 26” barrels, both sub inch with that load. That load was sub inch in a pre-64 model 70 also. I load a lot of IMR 4350, my favorite powder. It’s usually 30 degrees to 70 where I hunt. I don’t have to worry about temperature sensitivity.
