September 27, 2008, 11:37 PM
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#3
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Senior Member
Join Date: January 7, 2008
Location: Colorado
Posts: 1,862
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http://en.wikipedia.org/wiki/7_mm_Remington_Magnum
I was reading this link about the 7mm... and it said that "26-27 inch barrels are commonly needed to achieve the full velocity potential of the cartridge."
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