Is a .308 just as capable of being a 400 yard rifle as a .270 or .30-06?
Yes.
And way past 400.
Sowhat do you think will happen when the bulletfrom the 308 hit's something at 400 yds? Will the bullet bounce off? I have both 308 and 30-06 and use different weight bullet's in each. All I shoot in 308 is 165gr bullet's. Bit better velocity with the 308. !80 worked fine in my 308 but I liked the velocity of the 165 better. All I shoot in my 30-06 is 180gr bullet's. 30-06 shoots them a bit faster than the 308 And in theory the 180grs weight will out penetrate the lighter 165gr bullet. But I doubt that the 165gr bullet in the 308 properly placed at 400yds is gonna do an animal any good at all.