Quote:
My suggestion has been to find the COAL that gives you best groups w/ a "reasonable" charge (first)
Then play with the powder charge around that figure
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This is just my 2 cents coming from a pretty amature loader, but... I've worked up loads for my 223 bolt with .15 backed off of the max COAL using the hornady gauge. When working up loads you can see a good difference in accuracy between .5gr powder increments. Given that Berger's procedure says you can see substantial accuracy change between .002-.005 COAL difference I would think that for each COAL you would have to work your loads again to see which pair the best. This makes me think that you wouldn't really benefit form working with a single powder load and just changing the COAL.