Originally Posted By: PsTaN
I load 21.0 grains under a 200XTP with CCI 300 primers. 1550 fps and very accurate out of my 13" MGM barrel. Accurate out of my Ruger as well.

P


That sounds about perfect. I loaded some at 22gr and they were a bit toasty.
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If it jams force it! If it breaks it needed replacing anyway.