This from an article by Ron Spomer.
https://sportingclassicsdaily.com/2...;mc_cid=c29b894b9d&mc_eid=84ca3375c6The 25-06 shoots flatter--a lot flatter--at 600 yards than the 6.5 Creedmoor or the .270, despite the fact that most 25-06 twists are 1:10 and no one really makes a high BC bullet in .257 diameter. At 600 yards the 25-06's wind deflection is only 2.5 inches less than the Creedmoor.