I think the 220 swift made it because it came quite a bit earlier and 4000 fps at that time was a real big deal. There is no doubbt that the 22-250 left the Swift in the dust sales wise once it became known. Its a real perfprmer without a lot of the Swifts Bagage. The very best would be the 22-250 AI. It cures the only real problem for the 22-250. Short case life if loaded max. The 30-06 is no suprise. I am sure the 270 would have been second if only American hunting rifles were named. I don't how he did his picks and the 375 is sure a great cartridge however it has not been as widely used in this country as the 270.