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The .22-250’s parent case is the .250 Savage, developed by Charles Newton in 1913. During the 1930s, Harvey Donaldson, J.E.Gebby, J.B. Smith, John Sweany and Grosvenor Wotkyns necked the hull to .22. A version by Gebby and Smith, circa 1937, became the “Varminter” – a name copyrighted by Gebby. But not until 1965 did the Varminter go commercial, when Remington adopted it in M700 rifles. The .220 Swift’s larger case allowed 4,110 fps with 48-gr. bullets. But the Varminter wasn’t far behind. Now the Swift has faded, while the .22-250 is chambered in every varmint-class rifle I can think of.

With a 50-gr. bullet at 3,800 fps, the .22-250 carries more than 500 ft-lbs of energy to 400 yards. That bullet starts as fast as a 40-gr. spitzer from a .223, but it bucks wind better and at 400 yards trounces the .223’s by 270 fps. For deer the 6mms excel – though 55- and 60-gr. bullets in the .22-250 have taken boxcar loads of whitetails and, in the Far North, caribou. A 60-gr. .22- 250 bullet at 3,600 fps beats a 75-gr. .243 bullet off the blocks by 200 fps and is still moving faster at 400, where it carries 627 ft-lbs to the .243’s 768. A Varminter softpoint through the slats is deadly on deer, if not legal everywhere.