Originally Posted by Der Ami
buckstix,
For whatever it is worth, if I remember correctly, the 30 belted newton is the 30-338. Your 30 Couger looks suspiciously like the 7x61 Sharpe and Hart necked up to 30cal. You didn't show the case length, so I couldn't check.
Mike
I did show the case length in the first picture ... 2.400" OL ... yes, case is very close to the 7x61 case.