I haven't had a chance to go through the old catalogs, but I believe what Brad is saying is true - USRAC didn't come out with 7-08's until the very end of NH production, maybe the last 2 or 3 years or so IIRC. So, no 5- or 6-digit 7-08's of any standard model.
This was common for USRAC, as they didn't seem to like to offer M70's in "Remington" calibers. Hence, 25-06 and 280 Classics are somewhat rare (although I do have one of each).
