Thread: Barrel Length
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Old November 14, 2012, 09:19 PM   #20
Bart B.
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Join Date: February 15, 2009
Posts: 4,467
GeauxTide:
Quote:
The 308 cartidge family, 243, 260, 7-08, and 308, have excellent expansion ratios (bore versus capacity). My experience is anything past 22" gains very little with them.
Then why do Palma rifles need 30 inch barrels to get 3000 fps with 155 grain bullets from a .308?
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