Thanks Patrick, This is good data to keep in the old reloading file. I wonder what is causing your excessive vel. with the 45's. That amount of W231 should yield velocities in the mid 700's for a 5" barrel. What do you mean by heavy crimp? I assume you're using a taper crimp, but are you crimping too far down the casing? Who makes the 230 FMJ you are using?
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