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Thread: Lt. Colonel Chuck Santose - Improved Battlesight Zero

  1. #11
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    Quote Originally Posted by foxyyy View Post
    dead center at 50m & theoretically also at 200m

    at 25m..you'll be shooting low at about 1-1/4 inches, really depends on your bore to sight/scope distance
    1 correction to this statement, point of impact at 50 YARDS = POI at 200 meters per the document.
    Most civilian ranges are distanced in yards which makes this convenient.

  2. #12
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    Question

    The link is now dead. Anyone save it? I need to copy it.

  3. #13
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    a former meatpuppet.

    http://sixty-six.org

  4. #14
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    This was great. Interesting how there is a cross over at the 50m and 200m mark.

  5. #15
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    Quote Originally Posted by weg111 View Post
    This was great. Interesting how there is a cross over at the 50m and 200m mark.
    FYI:
    not 50M, 50 YARDS... "A 200 meter zero has the happy coincidence of an initial trajectory cross-over at 50 yards"

  6. #16
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    Ok. So sighting into 45.72 meters will also theoretically sight you into 200 meters?

    Trying to make sure I get this straight.

  7. #17
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    http://www.youtube.com/watch?v=Najd0_3MUA0

    a nice visualized discussion

  8. #18
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    Quote Originally Posted by panzerr View Post

    This is EXACTLY what I was looking for all morning. Thank you! It even addresses the POI change with the unmarked vs 0-2 apertures.

  9. #19
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    What is all this business? None of the links work. . .

  10. #20
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    You can use any trajectory caclulator on the web and see that rounds like the .223 and others will be dead on around 175 to 225 yards if you zero at 50 yards instead of 100 yards. The bullet rise at 100 yards will only be about 2 inches or so, which means you can aim about dead on from 50 to 200 yards and hit a small target area. It's just easy to zero in at 50 yards compared to 200 yards, especially with iron sights. There are even indoor rifle ranges with 50 yard targets.
    But you have to get a very small grouping zero at 50 yards because that grouping will expand a lot at 200 yards ( angular displacement). A two inch group at 50 yds is an 8 inch group at 200!

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