The only real other situation which i can imagine is the fact it could be a typical Model 70 barrel and action that has a substitute XTR stock. This really is not likely however...I think that it is as you explain, an unmarked XTR. Your browser isn’t supported any more. https://franciscouvjvg.dm-blog.com/26885032/a-review-of-winchester-model-70-xtr-featherweight-value