.308 is more versatile, should you decide to extend your range or hunt bigger game. You are just getting into hunting whitetail, so you never know when you'll have a wild hare to hunt something else. If you have the .308 already, you're good to go.
Originally Posted by
UncleNorby
The 750 is not a light weight gun and a 308 won't kick bad at all, especially since it is an automatic.
That is spot on. Don't let fear of recoil factor into your decision.