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Old January 27, 2013, 09:18 PM   #2
Art Eatman
Staff Lead
Join Date: November 13, 1998
Location: Terlingua, TX; Thomasville, GA
Posts: 24,098
Interesting. The rule of thumb has been that the shorties use 15 or 20 percent less powder than the big brothers, but lose only 10 percent on muzzle velocity.
You're from BATFE? Come right in! I use all your fine products!
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