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Thread: What is "ES"

  1. #16
    Sending it Gibo's Avatar
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    I understand my optical chrony is not great but ive never had a duplicate x2 before. Shot 2666 x3 then 2672 then another 2666. Good group too

  2. #17
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    Quote Originally Posted by R93 View Post

    4 things that have improved my ES the most are weigh sorting, annealing, graphite and HBN coating my projectiles.
    I sacrifice a bit of velocity by coating my projectiles but it's only a click or 2 on the dial at the end of the day

    Sent from my SM-G900F using Tapatalk
    Hey r93
    When you say graphite do you mean lubing inside neck with graphite or some other arcane practice I've never heard of?

  3. #18
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    Ive got some imperial neck media stuff ive been using it occasionally and can feel a slightly less resistance than without, but if your not ultrasonic cleaning the cases every time then a bit of a wire brush and the residual burnt carbon in the neck might do a similar job. I havent tested any loads yet with/without neck lube for reduced ES

    i just dip my projectile boat tail down into the media and then seat it.

    of course, unless you are talking about this type of ES:

    https://www.youtube.com/watch?v=0gfNvTsSIGE
    #BallisticFists

  4. #19
    R93
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    Quote Originally Posted by WillB View Post
    Hey r93
    When you say graphite do you mean lubing inside neck with graphite or some other arcane practice I've never heard of?
    Yup. Just got some graphite and filled container with some steel shot.
    Dip the necks in and swirl around.
    You should notice the difference when seating a projectile.

    Sent from my SM-G900F using Tapatalk
    Do what ya want! Ya will anyway.

  5. #20
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    Cool thanks yeah I've got the same stuff, but mine came in a little jar with ceramic beads. Imperial. I also neck brush like you @scoped. Don't have a sonic cleaner.

  6. #21
    Sending it Gibo's Avatar
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    Same dip pills in grafite, brass brush inside neck as part of case prep

  7. #22
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    Quote Originally Posted by zimmer View Post
    Fired the first 2 shots and then adjusted up 2.5MOA and fired the last 4.
    Just out of curiosity, why did you adjust 2.5MOA, and not 1.25?

  8. #23
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    Quote Originally Posted by chalkeye View Post
    Just out of curiosity, why did you adjust 2.5MOA, and not 1.25?
    My guess, 200 zero

  9. #24
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    Quote Originally Posted by chalkeye View Post
    Just out of curiosity, why did you adjust 2.5MOA, and not 1.25?
    I adjusted to put the group where it ended up on purpose, just to have a different set of holes in a different place on the same target face.
    It was also a quick check at the time to see if my scope dialled correctly although that was secondary.

    I was group shooting/load developing, not zeroing in. if I had been zeroing in I would have adjusted both elevation and windage to smack the guts outa it.

    When group shooting there is no point blowing the centre out of your aiming mark as your group progresses.
    You end up loosing your nice clean aiming mark.

    That particular target is absolutely perfect for the centre of the scope reticle on that rifle (Sightron SIII Target Dot).
    Last edited by zimmer; 23-04-2016 at 05:28 PM.

 

 

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