Quote:
Originally Posted by roundgunner
I use 4.5 of TG with a 175TC cast at 965 with my M&P unless I'm using the same bullet over 3.2 TG for an IDPA load. 755 fps for 132,000 power factor.
965 fps seems like a good load for practice, feels like full power 40 to me.
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IMO, that is pushing TG right to the edge w/ a 175gr lead bullet @ that charge wt. Caution. I would bet more 40s have been KB w/ uberfast powders & heavy bullets than any other reason.