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arizona hunter · May 1, 2007, 03:04 PM

The 2007 Hornady manual addresses this subject. Barometric pressure will affect muzzle velocity. But even in an extreme instance it is only about 50-60 fps.

May 1, 2007, 03:04 PM	#9
arizona hunter Senior Member Join Date: May 20, 2005 Location: phoenix, AZ Posts: 212	The 2007 Hornady manual addresses this subject. Barometric pressure will affect muzzle velocity. But even in an extreme instance it is only about 50-60 fps.