ORIGINAL: rcgerchow
There was an article in either Sports Afield or Outdoor Life recently (Oct. or Nov.) about deer cartridges. The 2 most used, seemed to be the 30/06 and the 308. Both very similar in ballastics with the 308 having a little flatter trajectory.
Assuming that you are using the same weight bullet, the .308 spits it out about 100 fps slower. How could it possibly have a little flatter trajectory?
I was at the rifle range a couple weeks ago to sight in my .243, and Iwalked down the line to see what the other guys were shooting. The vast plurality were shooting .270's.