Originally Posted by gdmoody
The Hornady #7 manual lists 308 Winchester loads and then the next section is 308 Winchester Service Rifle. Now, that doesn't specify that it is a 7.62X51 load at all but it does say that it was for the M1A or M14 which would lead one to think that it is.
The speer manual has just 308 Winchester and the Lyman has exactly what Steve said.
And the reason for that is similar to the reason for Garand specific data. The gas system could be damaged by .308 win hunting loads in an M14/M1A