Perty every 300 Savage 99 I've owned liked 150 grain Sierra Pro Hunter. With IMR3031 or Varget could satisfy 1 inch at 100 yards easily. Make dern sure your bore is clean, I'm not as schooled with thems new F models. My 99F is 1926 vintage in 303 and shoot ~ 1.5 inch at 100 yards with a Lyman 29 1/2 peep.
