If bore is fine, it's NRA Excellent.
NRA definition:
http://www.horstheld.com/0-NRA.htm
Personally, I feel NRA's firearm condition makes more sense than Blue Book's gun blue condition, because it's more comprehensive, and 90, 92, 94 ... do not make much difference. But neither covers situation like defects focusing on one area which makes the item very ugly.
The following item was refurbished. But let's assume it were original (so I can continue), this horizontal scratch would be very annoying. How many percent does not solve that issue.