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POI ?

Discussion in 'Shooting Related Threads' started by uncle chuck, Dec 26, 2009.

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  1. uncle chuck

    uncle chuck TS Member

    Joined:
    Jan 29, 1998
    Messages:
    26
    If my POI at 13 yards is 7 inches hi is it 14 inches at 30 or 32 yards.
     
  2. phirel

    phirel TS Member

    Joined:
    Jan 29, 1998
    Messages:
    9,556
    A quick way that is reasonably accurate is 7 inches high (that is a lot)at 13 yards would be 14 inches high at 26 yards and 21 high at 39 yards. This simple estimation ignores the distance from the center of the bore to the front sight and gravity. These two factors nearly cancel out each other. I would never extrapolate these numbers to conclude that your gun shoots 16.153846 inches high at 30 yards or your POI goes up 0.5384615 inches per yard from the end of the barrel. Our measurements are not that accurate. You could say that your POI goes up about one half inch per yard from the end of the barrel.

    Pat Ireland
     
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