The only problem with the .22-250 is that cases stretch due to the tapered body. They must be trimmed often, about every other reloading.
There's a fix; rechambering to the .22-250 Ackley Improved. It makes the chamber walls straighter and a sharper shoulder angle, I believe. It will also increase the case capacity to allow Swift velocities with less powder. Do I have one? No; my .22-250 is exceedingly accurate and I don't want to lose accuracy for a few more fps and longer case life.
Picher
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