You will find that any thirty cal bullet will tear up that hide as will a 22-250 if you are not careful, I hunt coyotes with 22-250s but will lay one down with my 308 if opportunity arises. If you are bound and determined to use a 308, I would stick to Speer 110 grain spire points or if you can...
Bushnell 800 Range Finder
Kestrel 3500 weather station
Megellan 3000T GPS
Garmin etrex GPS
Eagle Explorer GPS
Beta Master Chrony and
Bushnell 10x40 mildot scopes on my high power rifles
And I plan getting a field i-Pad with a program in the future.
The bottom line is I cook my own...