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Advice Think I have made a mistake zeroing my air rifle!!

Discussion in 'Anything Airgun Related' started by Voodoohoodoo, Feb 5, 2014.

  1. Voodoohoodoo

    Voodoohoodoo Donator

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    Location:
    Ripon, North Yorkshire.
    Hi,

    I got my first air rifle last week, when I bought it the fella in the shop told me he had bore sighted it so it will get me on target, ill just have to fine tune it. When I got home I went straight out into the garden, fired my first shot, and it landed no where near the target. So I adjusted my sights (a lot) but the distance I was shooting at was only about 10metres. Have I made a mistake that when I go to shoot at targets further away ill be totally off?? any help in this matter is greatly appreciated.
     
  2. BlackSniper

    BlackSniper Engaging Member

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    Location:
    Essex
    Ideally you want to zero at 30-35 yards and then learn your hold over/under points on your scope at shorter/further distances.
    I wouldn't bother zeroing a rifle at 10 yards unless you were only planning on shooting very short distances.
    Hope this makes sense.
     
  3. Lee67

    Lee67 Posting Addict

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    Location:
    Emley Moor FTC
    Zero at 15 yards..once pellet on pellet move out to your preferred zero range. 30-35 yards, I prefer 35' then zero it in to that..pellet on pellet...then lock your turrets or cover them and leave alone...then proceed to work out your holdover/ hold under points for 10-55 yards...sorted StanleyStanley
     
  4. mattyts

    mattyts Donator

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    Location:
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    I zero at 30 yard, then from 30 to 15 yard i'm still on the crosshair,at 55 yard (my max distance) I have to adjust my scope to 5.7 on the turrets (I use clicks,not mildots) but it's the same principle..zero at roughly half of your max comfortable distance
     
  5. Dan77k

    Dan77k Donator

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    Location:
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    What he said
    Pellets (and bullets) will travel in a curved trajectory. So you have the near zero where it hits on the way up - in this case 15 yards or so and the far zero where it hits on the way down - which with a standard air rifle will be about 30 yards give or take if your near zero is around 15.

    Start off as close as a few metres if you are missing completely then adjust the windage to get it central and start moving back while making adjustments to get the zero. Give it a bit of distance before getting on zero otherwise you'll probably run out of scope adjustment if you're too close.
     
  6. 177

    177 Donator

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    Location:
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    To begin with, just relax, and don't worry.

    Now, a pellet has TWO zero points.

    If you draw a straight line from one side of a page to the other, your pellet basically describe an arc, like a rainbow, only much gentler.

    So to begin with your pellet is travelling up.

    At some point it will bisect your horizontal straight line. This is your primary zero.

    Further downrange, after it has peaked and started to drop due to combined effects of wind resistance and (mainly) gravity, it will cross over your horizontal line a second time. This is your secondary zero.

    Anyone who tells you to zero at 30 yards is totally overlooking the fact that, if you do, you will have a primary zero much closer in.

    Example:

    One of my HW99 guns in .177 using Air Arms Field pellets is zeroed in at 35 yards (secondary) which gives a 17 yard primary zero.

    So if you know your distance to target, at 17 or 35 yards you will be bang on, assuming your gun, scope, power and pellet all match mine.

    It's a guideline.

    A 10 yard primary zero is probably going to give you a 70 yard secondary zero in .177

    As a rule of thumb, the closer your primary zero is, the further away your secondary zero will be.

    There's absolutely nothing wrong with a 10 yard zero for getting used to your rig. A mat of mine can just squeeze 10 yards out of his small garden so that where he zeroes his gun and shoots targets at.

    If you want to hunt then you need a useful pellet arc, so a 15/30 yard arc in .22 or perhaps a 17/35 yard arc in .177 will give you a good working range of known impact points at known range.

    Make small changes and monitor your results before making any other changes. If you want to shoot at 10 yards, knock yourself out. It's a free country :)

    If you really come unstuck, wind your turret all the way out, then count the clicks all the way in again. Half that number and wind back ti that point. Do the same for both the windage and elevation turrets. That's your scope centred.

    You might be miles off hitting a target but you should find that your vertical is more or less bang on at any range.

    Assuming it is, you simply need to 'follow' the direction you want your pellets to go.

    If you're shooting low and left you need to adjust up and right, following the direction you want your impact point to travel.

    Make an adjustment, shoot five pellets, and then adjust again if required.

    Good luck !
     
    Last edited: Feb 5, 2014
  7. Voodoohoodoo

    Voodoohoodoo Donator

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    Location:
    Ripon, North Yorkshire.
    Thanks for the advice all, I have spoke with a gent from an air rifle range close by and organised for me to get down there and shoot at longer distances and zero my rifle properly. 177, thanks for the effort in your reply.
     
  8. essex sniper

    essex sniper Banned

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    Location:
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    Thats you best bet mate ...have a good play and you will get use to it in no time atb
     

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