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GeauxTide · November 14, 2012, 01:03 PM

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.

November 14, 2012, 01:03 PM	#17
GeauxTide Senior Member Join Date: April 20, 2009 Location: Helena, AL Posts: 4,424	20" will be fine 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.