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Old 09-27-2012, 18:45   #26
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Join Date: Sep 1999
Location: Hartford, Vermont
Posts: 16,658
.45 ACP +p

The CorBon 185gr JHP load gets 1100 FPS out of a 5-inch M1911A1 pistol, and the muzzle flash is big. The bullet would still be accelerating in an 18-inch barrel. You may even get 1800 or more FPS out of the long barrel.
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