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Errors are Cumulative

Lowlight

HMFIC of this Shit
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Minuteman
  • Apr 12, 2001
    36,276
    43,640
    Base of the Rockies
    www.snipershide.com


    As precision rifle shooters, we spend an enormous time in preparation. We prepare our ammunition, our rifles, our firing position gear and ourselves. All leading up to a moment that consists of no more than ten-thousandths of a second. Therefore, we must make the most of each moment of preparation in order that that short moment at the shot is Predictable, Repeatable, Precise and Accurate. These are the goals of a precision rifle shooter.


    Unfortunately, it is not a perfect world. Imperfection is introduced at every step of the process in the form of error. Any single error is not a great deal really, as on our worst day our rifle systems are capable of one minute of an angle or better, even with factors that are out of our control. But with experience comes growth, and growth in precision rifle means the elimination of error, because errors are CUMULATIVE, and cumulative errors compound, frustrate and work against precision.
     
    One thing I would add is that failure to continually work at perfection in all facets of our shooting allows old errors to creep back in. That, along with aging joints muscles and eyes makes the sport even more challenging. More trigger time with a mind toward fundamentals is priceless. Practice doesn't make perfect, it reduces errors!
     
    The sum or difference of independent random variables stack at an exponential rate. Each time a single variable unknowingly changes at random, it greatly increases the uncertainty of the outcome. Whenever a single variable can be nailed down, the result will always be a more certain outcome. Charges, seating depth, neck tension, etc. are easy enough to control. This will allow more room for error, (or actually this should result in a more accurate ability), to shoot in the wind judging only the wind variable or in other changing variables out of the shooter's control.