I used IMR 4350 45.5 grains and got 3020 fps and sub moa groups from a 20 inch factory barrel.This rifle is used for animals under 200 yards so I stopped and called it good.Work up loads for your rifle.Good luck.
Quarter minute magnum 7 mm Remington mag.Stiller Tac 30 right hand action.26 inch Krieger fluted 1-9 twist barrel.Barrel is not threaded.Jewel trigger,H S precision stock.Weight is 9 lb without scope.Shoots 180 Bergers at 2915 fps in sub 1/2 moa at 100 yards. approximately 200 rounds fired.I am...