Do you have rifles in those bore sizes, are are you skipping 6.5mm to be contrary?
To me he's not being contrary but maybe he just wants to prove a point. There is nothing magical about the number 6.5. And as for finding barrels with the tighter twist, look no farther than a custom barrel maker such as Shilen or Krieger. They will make you a barrel in any twist you want. And for the last ingredient in the pie, bullets. Both Berger and Matrix make heavy high BC bullets at least for the .270. I'm not sure about the .25s but I've heard there are some like 130 grain bullets for it. I don't know why Berger or Matrix hasn't made a 140-150 grain in .257. Maybe they have. If so, a .25-284, 25-06, or a .257 Weatherby would sling them out with the best of the .264s.
