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Old December 8, 2012, 03:06 AM   #10
AZAK
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Join Date: May 15, 2008
Location: the object towards which the action of the sea is directed
Posts: 2,103
Quote:
about 543 ft/lbs of energy, about equal power-wise to a 158 or 180 grain .357
Using Buffalo Bore 180 heavy in .357mag, calculating with the above formula, 1,450x1,450x180/450240=841ftlbs. (Actual fps out of my 6inch Security Six.)

I personally don't go for the hot-rod .45auto ammo. I stick with pretty basic slow and heavy; and never +p. Even in my carry 1911s. Part of the beauty of the .45 auto is that it is a low pressure subsonic round.

If I want more "umpff" I go with the above BB heavy in .357 or use 10mm auto for pistols.

YMMV
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