Just be aware that a small rifle primer is, often if not always, the equivalent of a small pistol MAGNUM primer. This is definitely the case with CCI. It won't cause a problem if you follow the standard creed of starting low and working up but it certainly can cause higher pressure in some instances.
I developed a load this past weekend in my 357sig using CCI SR primers. I worked up to a max published load of 800x and experienced no issues but I certainly wouldn't want to start there. It is a STOUT load and may be more so because of the primer choice.
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