The 308 Win will steal the show at long range. Bullets with BC's in the 6's.
In the 308 Win, I've driven the 208 AMax, 210 Berger, and 215 Berger to 2600+ fps.
The 8mm has nothing in that league.
Do your research a little better.
http://www.rifleshootermag.com/2010/09/23/featured_rifles_classic_062804/ 
