That's a MAX load for a jacketed bullet, safe with a lead. Start about 10% lower, 11.7 grains, you don't need that velocity for CAS anyhow.
If you are going to use the Dots and their kin, I suggest you pick up a copy of Alliant's Reloader's Manual. Your powder dealer should have a stack of them. Cover price is two and a half bucks, but dealers usually give them away. Lots of information in there.
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