The only other circumstance which i can envision is that it could be a typical Model 70 barrel and motion that has a replacement XTR inventory. That is unlikely nevertheless...I think that it is while you explain, an unmarked XTR. The guts on the rifle would be the classic Model https://winchester-featherweight86837.digiblogbox.com/52338672/getting-my-model-70-featherweight-to-work