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Old September 23, 2010, 07:02 PM   #2
ClemBert
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Join Date: March 2, 2009
Location: Orlando
Posts: 929
The only data I have is from the Lyman Black Powder Handbook, 2nd Edition.

With Goex FFFg, .454 140 grain RB:

40 grains = 950 fps
45 grains = 983 fps

With Goex FFFg, .451 180 grain Conical:

40 gains = 898 fps

Anyone have any data beyond 45 grains they want to share?

Last edited by ClemBert; September 23, 2010 at 08:09 PM.
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