Optimal Fill Ratio?

Atross

Well-Known Member
Just playing around with quickload to see what the powders I have at home could "theoretically" be used for. Some have a fill ratio of around 88 to 89 % of the case, is there an optimum fill ratio?
 
The higher the better. I get pretty close to 100% with the powders I'm using. The powder fills right up to the case neck.
 
also run fairly full cases

all of my .222 loads are slightly compressed with bullet seating (across 45-60gr bullets)
one of my 300wm loads is compressed, the other is not far off
only my 130gr .270 load is below where I would like it to be but I simply don't want to mess with what is a straight forward accurate round (albeit slower than factory spec)
 
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