Standard Deviation how important is it?
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June 6, 1999, 09:31 AM
Join Date: February 20, 1999
Location: home on the range; Vermont (Caspian country)
Charles Petty used a stationary barrel-holding fixture and tested the 45ACP. The highest S.D. was the most accurate load. I have seen this same phenomenom when testing 38 and 357. Go figure. Like the Speer manual says, "but not always".
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