Often times you will see long distance target shooters pick a heavier bullet. Like with a .308, they will pick the heavier bullet for long range because it is longer and more stable in flight. So even though they have to estimate for range better the bullet is actually more accurate at a longer distance. Also they pick the .308 over a 30-06 or .300 mag.

I did the same thing with my inline muzzle loader. I was talking to someone and mentioned I thought about going to a 190 grn bullet so I could shoot farther. I was using 300 grn XTP's but they didnt group to well beyond 100 yards in my gun. I was told to go in the opposite direction. To get a longer heavier bullet because it would have a better BC. The suggestion was to go with Precision Rifle bullets with a polymer tip and boat tail design. I went with a 350 grn bullet vrs the 300 I had.

And low and behold it extended my range to 150 yards which is what I wanted. And it still shot flat enough at that distance that with a 130 yard sight in I didn't have to change my point of aim from 30 yards to 150 (2.5 inches high at 25 and 3 inches low at 150). just put the cross hairs on the deer and pull the trigger.

Paul