Ever carried one around.
308 battle rifles are heavy their ammo is more than twice as heavy as a 5.56.
I have own and used and shot many examples of both.
What’s a short range scope?
For me any thing from a 3x9 on down works well. The newer stuff even has a larger range of power.
So many choices so little time and money.
just guessing but perhaps it is a competition rifle.
or maybe it is a “trophy rifle” (if such a thing exists, lol).