odd? aought !! as in what elderly people use to call zero.
.308 is the name because its the bullet diameter.
30-06 is because of year isnt it? 30 calibre came out in aought 6?
so in that case 7mm aought 8 wouldnt make any sense.
as its a 308 case with a 7mm bullet ....no?
thats my thinking anywho.