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Thread: The Zero Check Thread

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  1. #1
    Member Micky Duck's Avatar
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    Wow.intetesting comment re Leupold.my 3x9x50mm vx111 that recently got birthday back at factory had held zero with very very limited changing for over ten years.all three of the older m8 scopes I own just don't move.
    woods223 and RUMPY like this.
    75/15/10 black powder matters

  2. #2
    By Popular Demand gimp's Avatar
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    Quote Originally Posted by Micky Duck View Post
    Wow.intetesting comment re Leupold.my 3x9x50mm vx111 that recently got birthday back at factory had held zero with very very limited changing for over ten years.all three of the older m8 scopes I own just don't move.
    Look forward to seeing the 10+ shot zero check targets to see that they don't move.

  3. #3
    By Popular Demand gimp's Avatar
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    There is "hasn't shifted enough to notice when testing with 3 shot groups, and for ordinary hunting purposes" and then there is "has not shifted". They might be different if tested.
    @Tentman - anyone managed to make the 5 shots into a 1MOA target yet? Can't be that many well-zeroed rifles that can hold a zero around, last I heard that hadn't happened yet

  4. #4
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    what am I missing here to me the rifle from the first pictures is not zeroed its shooting out to the right is there a reason why one would zero a rifle like that - mine I zero group dead on bulls eye ????? or was the scope adjusted afterwoods

  5. #5
    By Popular Demand gimp's Avatar
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    Quote Originally Posted by Barry the hunter View Post
    what am I missing here to me the rifle from the first pictures is not zeroed its shooting out to the right is there a reason why one would zero a rifle like that - mine I zero group dead on bulls eye ????? or was the scope adjusted afterwoods
    It is actually zeroed for my 80gr ELDM load. The 73gr I am using shoot slightly to the right. The offset is less than 0.1MRAD, 17 of 20 shots were within 0.5MOA of point of aim.

  6. #6
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    Nope. We shot it last week, my effort was judged closest but I didn't take the money. My group was well under moa but was one click left (10mm) and that put 3 holes over the edge of the black.

    I like your thinking on this but I fear there are still too many uncontrolled variables that will make a reliable and repeatable result difficult. For example, environmental factors, wind, temperature (effects air density and powder, therefore velocity) and mirage. That's not to mention human factors, eg a cold day so extra jacket effects position etc etc.

    I'd think a mechanical test of the scopes in question would be more reliable. But I doubt the protagonists would accept it anyway, this smacks of some sort of "belief" which as issues like node theory prove, people don't want the scientific explanation.

  7. #7
    Terminator Products Kiwi Greg's Avatar
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    Quote Originally Posted by Tentman View Post
    I like your thinking on this but I fear there are still too many uncontrolled variables that will make a reliable and repeatable result difficult. For example, environmental factors, wind, temperature (effects air density and powder, therefore velocity) and mirage. That's not to mention human factors, eg a cold day so extra jacket effects position etc etc.
    Yep for sure
    When you basically have the formula 1 of rifles, cartridge, rest, flags etc that is capable of a genuine 1/16-1/8-1/4 multiple 5 shot groups if conditions/shooter allow, you start to appreciate the things you can't control & wonder how we shoot the odd tiny group with hunting rifles/Ladas
    Contact me for reloading components, brass, projectiles, powder, primers, etc

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  8. #8
    By Popular Demand gimp's Avatar
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    Quote Originally Posted by Tentman View Post
    I like your thinking on this but I fear there are still too many uncontrolled variables that will make a reliable and repeatable result difficult. For example, environmental factors, wind, temperature (effects air density and powder, therefore velocity) and mirage. That's not to mention human factors, eg a cold day so extra jacket effects position etc etc.

    I'd think a mechanical test of the scopes in question would be more reliable. But I doubt the protagonists would accept it anyway, this smacks of some sort of "belief" which as issues like node theory prove, people don't want the scientific explanation.
    If anyone else is interested in genuinely testing, we'll see I suppose

  9. #9
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    Quote Originally Posted by gimp View Post
    If anyone else is interested in genuinely testing, we'll see I suppose
    I do intend to try it, I have a new 223 going (but not sorted) and if the rifle is accurate enough it will be an interesting project to try it with.
    gimp likes this.

  10. #10
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    Quote Originally Posted by Tentman View Post
    Nope. We shot it last week, my effort was judged closest but I didn't take the money. My group was well under moa but was one click left (10mm) and that put 3 holes over the edge of the black.

    I like your thinking on this but I fear there are still too many uncontrolled variables that will make a reliable and repeatable result difficult. For example, environmental factors, wind, temperature (effects air density and powder, therefore velocity) and mirage. That's not to mention human factors, eg a cold day so extra jacket effects position etc etc.

    I'd think a mechanical test of the scopes in question would be more reliable. But I doubt the protagonists would accept it anyway, this smacks of some sort of "belief" which as issues like node theory prove, people don't want the scientific explanation.
    @Tentman. Im interested in trying the 5 shot challenge. However I don't have a dial repeatable scope and Im not going to do it at the cost of my current Zero. Ill try it at 100 and 400 if its acceptable to centre the Moa at the verified trajectory points at those ranges?
    Unsophisticated... AF!

  11. #11
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    Quote Originally Posted by whanahuia View Post
    @Tentman. Im interested in trying the 5 shot challenge. However I don't have a dial repeatable scope and Im not going to do it at the cost of my current Zero. Ill try it at 100 and 400 if its acceptable to centre the Moa at the verified trajectory points at those ranges?
    Just put an aiming point on your target at what ever you are offset at at 100M (then it's a 29.1mm dot) or at 100Y where it's a 26.5mm dot. Keep everything plumb, I struggle with this challenge because the slightest cant will kill ya.

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    Havn't figured how to get the Hornady Group Analysis pictures off the phone.

  13. #13
    By Popular Demand gimp's Avatar
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    Quote Originally Posted by flock View Post
    Havn't figured how to get the Hornady Group Analysis pictures off the phone.
    I just screenshot them using the screenshot function on my phone
    dannyb likes this.

  14. #14
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    Never had an issue with any of my loopys, I'll drag my kimber out and shoot a string or 2 for data. Done a lot of miles without needing any adjusting.

  15. #15
    By Popular Demand gimp's Avatar
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    Despite my slight zero offset - 1 entire 10rd group from yesterday (with factory ammo) beats the challenge, and the 2nd 7/10 did. It shouldn't be that hard for someone to do it ! It certainly hints that the average precision and accuracy out there is worse than people understand.

    However the primary purpose of the thread was to try get some good data on whether common scopes actually hold zero or not

 

 

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