I have a pair of .375's
One's a 29,000 SN and one's a 4,000 SN. Also have a Bald Eagle in .375 as well as a pair of .307's, a .356, a .444 and a trio of Waters.
I don't believe the swivel studs were factory original on any of the XTR 94's. But I was almost wrong one other time...……...