The only real other scenario that I can envision is usually that it may be a regular Model 70 barrel and motion which has a substitute XTR inventory. This is certainly unlikely while...I think that it is when you explain, an unmarked XTR. Previous or new, the Winchester Model 70 https://fernandoouzfj.thenerdsblog.com/32297910/the-2-minute-rule-for-winchester-classic-compact