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rebs · November 19, 2012, 07:17 AM

How do you guys decide what COL to use ? Do use the magazine length for all bullets or go by the reloading book or work up your own for your particular rifle ? I have loaded a few 55 gr Vmax's at 2.160 and 2.250 and not seen a significant difference in accuracy, why not ?

November 19, 2012, 07:17 AM	#1
rebs Senior Member Join Date: January 10, 2012 Posts: 3,881	COL for an AR15 ? How do you guys decide what COL to use ? Do use the magazine length for all bullets or go by the reloading book or work up your own for your particular rifle ? I have loaded a few 55 gr Vmax's at 2.160 and 2.250 and not seen a significant difference in accuracy, why not ?