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bullet deviation

Discussion in 'Handguns: Revolvers' started by Bezoar, Sep 20, 2008.

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  1. Bezoar

    Bezoar member

    Apr 9, 2006
    how can you predict the deviation between two bullets that have the same profile length and weight when they are launched down range at the same velocity from the same gun?

    I know that the all lead bullet must be larger diamter then the copper plated bullet in order to properly seal the barrel, etc. However at what point can you definitely say when the difference in all lead versus fmj or copper plated will make a huge impact in poi versus poa?

    say you push an all lead 250 grain RNFP at 900 fps, is a 250 gr JSP of same bullet length and profile at 900 fps going to be hitting at a massively different spot?
  2. REB

    REB Member

    Jan 19, 2008
    In my experience the difference is insignificant as long as the bullet weight is close to the same.
  3. Jst1mr

    Jst1mr Member

    Apr 22, 2008
    +1 to REB...differences would show up at extended ranges that you are unlikely to experience w/ typical handgun distances, otherwise little or no difference.
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