About 3 years ago I bought a nice Lyman Alaskan with mounts for an M70 from the classified here. I thought about offering it to the OP for his "Bob", but then a M70 .257 showed up in the classifieds within my price range and voilà, the Alaskan is now on
my "Bob"!
Not as pristine as the OPs it's gonna make a sweet vintage whitetail rig.