My data from analyzing such groups is...The outer third comprises about 55percent of the area of a circle. Assuming random dispersion, then yes. My limited observations are, however, that in a larger number of shots, most are clustered closer to the center of the group.
40% of the shots are inside the inner 40% of group diameter. 30% in the next 30%, same for next 20% and 10%. Tracks well with statistical distribution curves.
Why are tuners used at the muzzle on some rifles? What do they change?
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