My 6.5X55 is a Sako, and the furthest I've ever killed a deer with it is 400 yards. Second furthest was 140. The rest have all been in the woods, 20 - 50 yards. I like to keep a certain balance between the size of the rifle, the size of the scope and the reasonable expectations for using it, thus my 6.5X55 wears a VXIII 2.5 - 8.
