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Old 07-26-2006, 01:26   #74
Photocop
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Join Date: Dec 2005
Location: East Hampton, CT
Posts: 431
10mm4ever:

While I don't have any exact data, I have asked Mike McNett about the increase in velocity that could be expected with a 6" bbl. He said that for most of his loads the increase is about 100 fps and there is one load(I can't remember which one and I've since deleted the e-mail), that I think hops up 125-150 fps.

I know this is far from specific, but it's good for ballpark figuring.
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