If you want to buy factory ammo over the counter, the 7mm-08 is maybe a little better bet, but not much. If you hand load your ammo, flip a coin. If you are using exclusively factory ammo, the .308 is the way to go.

John

If my people, who are called by my name, will humble themselves and pray and seek my face and turn from their wicked ways, then I will hear from heaven, and I will forgive their sin and will heal their land. 2 Chronicles 7:14