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My experience with the .22-250 has been quite different from some of yours. Had my first one when it was just introduced. Now I have 2 and must have owned half a dozen Rem. heavy barrels. My old ADL is on its 3rd barrel, but shooting thousands of rounds at p.dogs and coyotes is hard on barrels. Plus for many years that old .22-250 was the only varmit rifle I had, so it got used almost everyday. But once I had my brass trimmed, I neck sized, and really had no serious problems with undue case stretching. Most of the cases would finally develop a crack in the neck from too many trips though the die. A few Norma did seperate, but never had that problem to any degree with the American brass. I did not load to the hilt, but the loads were fairly hot... Now, since I have other varmit rounds, I don't hit on the .22-250 as much, but this morning I got my old one out, to get ready for a trip south. Ran a patch through the barrel and drilled three into about 1/2". Not bad from a cold clean barrel...So the Az. coyotes had better beware.