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POI AT 13YDS HELP?

Discussion in 'Shooting Related Threads' started by mike T, Jun 7, 2009.

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  1. mike T

    mike T Member

    Joined:
    Jan 29, 1998
    Messages:
    309
    Location:
    Iowa
    I plan on checking the poi of my choke tubes. I know there is something about doing this at 13yds. How does that convert to the old standby checking of 40yds? Say it is 1" high at 13yds how does that conver to % at say 40yds would it be 60/40%? or 100% or what ever

    thanks
    mike t
     
  2. zzt

    zzt Well-Known Member

    Joined:
    Jan 29, 1998
    Messages:
    3,460
    Location:
    SE PA
    Mike, just multiply by 3 and you are very, very close. 1" high at 13 equals 3" high at 40. That's 60/40 measured the old way.

    Good luck with your testing. When I tested the tubes that came with my Beretta combo, I found that only two of the six supplied shot to the same POI. Replacing them with Briley's that did shoot to the same POI did wonders for my scores and enjoyment.
     
  3. mike T

    mike T Member

    Joined:
    Jan 29, 1998
    Messages:
    309
    Location:
    Iowa
    thanks
     
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