The only other circumstance which i can envision is always that it may be a standard Model 70 barrel and motion with a replacement XTR stock. This really is not likely nevertheless...I believe that it is while you explain, an unmarked XTR. Cartridges are accurately fed in to the chamber https://finnvvsqn.bloggazza.com/26444616/new-step-by-step-map-for-winchester-model-70-featherweight-review