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By Bill Mills - Photos by Dawn Mills - Dec 2005 Overview - How It Works - Disassembly - Testing - Raw Test Data Velocities listed in feet per second
Understanding the Summary Data High: This represents the highest velocity in the recorded string of shots. Low: This represents the lowest velocity in the recorded string of shots. E.S.: Extreme Spread - this is the difference in velocity between the highest velocity shot and the lowest velocity shot. Ave: Average - this is the average velocity of the string of shots. This is the number to look at to compare whether velocity is increased overall, or decreased overall by a change in a variable. S.D.: Standard Deviation - S.D. Is a mathematicall way of expressing how close most of the shots are to the average. The lower the Standard Deviation is, the more consistent the velocity is. 95%: This is an easier to understand
way of expressing consistency. Statistically, there is a 95% chance
than a given shot will vary this amount or less from the average.
Peak sound level outputs, measured at
5 feet from the muzzle, approximately 45 degrees off the aimpoint axis.
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