I don't know about the XTR, but the " Westerner", which was the first Winchester rifle chambered for the 264, had a 1/9" twist rate barrel. Some hunters feel that the accuracy with the heavier bullets, such as the 140's, is "good enough" for hunting purposes. I am not of that opinion. I don't think I should have to settle for 1.5 MOA when a barrel having a 1/8" twist rate will deliver sub MOA with even the 160 grain JRN bullets. On the other hand I like the XTR rifle but don't know the current market value of such. Hope this helps, but remember opinions are like a-holes and everybody thinks theirs don't stink.