I was shooting the standard m118lr round out of the .308, and 69 grain gold metal match from my .223. The .223 doesn't drop that much more than a .308 at 1000 yards, the hard part with .223 is wind, but that's what makes it fun. I don't have the numbers in front of me, but I believe the .308 dropped about 36 mils.
I wasn't saying the .308 is the best for those ranges, but it's less expensive than others and more fun than a flat shooting bullet. Same with the .223, Its fun to do. I live in Virginia beach, but my friend has 45 acres about 100 miles west of where I live.