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Thread: Zeroing 7mm08 tomorrow - advice?

  1. #1
    MB
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    Zeroing 7mm08 tomorrow - advice?

    I'm going to zero my 7mm08 tomorrow. It is my first centrefire rifle. I've bore sighted it already (by eye). Thought I'd do a couple of shots at 25 metres to make sure I'm on paper, then see how it's grouping at 50 metres. When I'm happy at 50 metres, I'll see how it goes at 100 metres. Maximum hunting range at the moment is going to be 100 metres. Lattes are on hand, so I've got that covered. Any other advice?
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    270 King of the Calibres oraki's Avatar
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    MB
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    Now those, I like. Do Gun City sell them?
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    Numzane Spudattack's Avatar
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    Sounds like a plan, although if you bore sight it well (comes with practice!) you should be pretty close at 100, but a couple to check at 25 shouldn’t hurt.

    I wouldn’t bother with 50, it won’t tell you much, if you are zeroed at 25 it should be very close at 100.

    Where are you doing this?

    What ammo you using? I can do you a quick, rough drop chart if you want to smack some gongs out further for a play.


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    Member Sarvo's Avatar
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    Quote Originally Posted by MightyBoosh View Post
    I'm going to zero my 7mm08 tomorrow. It is my first centrefire rifle. I've bore sighted it already (by eye). Thought I'd do a couple of shots at 25 metres to make sure I'm on paper, then see how it's grouping at 50 metres. When I'm happy at 50 metres, I'll see how it goes at 100 metres. Maximum hunting range at the moment is going to be 100 metres. Lattes are on hand, so I've got that covered. Any other advice?
    Ton of good advice on here - I mean the advice by others not me :-)

    https://www.nzhuntingandshooting.co....t-range-43519/
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  6. #6
    Member Beetroot's Avatar
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    Just get a rough zero at 25m then go straight to 100m, the 25M just needs to be accurate enough to get you on target at 100m.

    I would only do 2 or 3 shots at 25m.
    I bore sighted by looking down the barrel on my AR and it was close enough to be on a A4 target at 100m.
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  7. #7
    Bah, humbug ! Frogfeatures's Avatar
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    Two things, firstly get in touch with your feminine side, as you squeeze the trigger.
    Secondly, post pics of your groups.
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  8. #8
    GWH
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    Yep, get it shooting bang on at 25 yards, then that should put you about 2.5" ish high at 100 (at 100 adjust it so that its hitting about 2.5" high) that makes the best use of the maximum point blank range. This means from 0 to 275 odd yards you can just aim straight at it, and you should hit it within 3" of where you are aiming.

    Even 3 inches high at 100 works well, which extends the max point blank range to around 300 yards. This is the way i use to set my rifles up before i started using diable scopes and shooting out further.

    Also when you are sighting it in, make sure you use a decent rest, sandbags etc under the front and rear of the stock, take as much wobble error out of it as you can for the zeroing. Ive seen a few blokes at the range trying to sight in just resting on their elbows and wondering why they are shooting all over the A4 paper at 100 yards - hopeless.
    Last edited by GWH; 24-07-2018 at 02:53 PM.
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  9. #9
    Member gadgetman's Avatar
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    Quote Originally Posted by GWH View Post
    Yep, get it shooting bang on at 25 yards, then that should put you about 2.5" ish high at 100 (at 100 adjust it so that its hitting about 2.5" high) that makes the best use of the maximum point blank range. This means from 0 to 275 odd yards you can just aim straight at it, and you should hit it within 3" of where you are aiming.

    Even 3 inches high at 100 works well, which extends the max point blank range to around 300 yards. This is the way i use to set my rifles up before i started using diable scopes and shooting out further.

    Also when you are sighting it in, make sure you use a decent rest, sandbags etc under the front and rear of the stock, take as much wobble error out of it as you can for the zeroing. Ive seen a few blokes at the range trying to sight in just resting on their elbows and wondering why they are shooting all over the A4 paper at 100 yards - hopeless.
    I bore sight at 25m from a good rest. Send one down the tube. Reset the rifle to have the cross hairs on the target, then turn the dials to line up the cross hairs with the hole. If I'm feeling I'm in an ammo burning mood I'll put a second one down the tube at 25m to make sure it is on target.

    After that straight to 100m and shoot groups. No point chasing single shots, you'll be there all day getting frustrated and nowhere. 3 shot groups is fine for a sporting/hunting barrel. Adjust the dials to move the centre of your group to where you want it.
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    Quote Originally Posted by GWH View Post
    Yep, get it shooting bang on at 25 yards, then that should put you about 2.5" ish high at 100 (at 100 adjust it so that its hitting about 2.5" high) that makes the best use of the maximum point blank range. This means from 0 to 275 odd yards you can just aim straight at it, and you should hit it within 3" of where you are aiming.

    Even 3 inches high at 100 works well, which extends the max point blank range to around 300 yards. This is the way i use to set my rifles up before i started using diable scopes and shooting out further.

    Also when you are sighting it in, make sure you use a decent rest, sandbags etc under the front and rear of the stock, take as much wobble error out of it as you can for the zeroing. Ive seen a few blokes at the range trying to sight in just resting on their elbows and wondering why they are shooting all over the A4 paper at 100 yards - hopeless.

    Yeah Ive seen this countless times with guys that are new. Chasing themselves round the paper with a shitty front rest and no back rest.
    Loaned my rear bag to the last ones and they bloody left with it
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  11. #11
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    Great advise this is exactly as I would do it and as I have done for my son's and his mates 7mm08

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  12. #12
    Member Mathias's Avatar
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    Its likely to shoot to the left, so take an extra side step to the right to compensate.
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  13. #13
    Numzane Spudattack's Avatar
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    What rifle is it?



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  14. #14
    Sending it Gibo's Avatar
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    May help if you have 1/4 moa clicks. 1 click will move the bullet impact 1/4″ at 100 yards. But you need to make 4x times number of clicks (16 clicks=1″) to move the bullet impact the same distance at 25 yards.

  15. #15
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    Quote Originally Posted by MightyBoosh View Post
    I'm going to zero my 7mm08 tomorrow. It is my first centrefire rifle. I've bore sighted it already (by eye). Thought I'd do a couple of shots at 25 metres to make sure I'm on paper, then see how it's grouping at 50 metres. When I'm happy at 50 metres, I'll see how it goes at 100 metres. Maximum hunting range at the moment is going to be 100 metres. Lattes are on hand, so I've got that covered. Any other advice?
    I'll be honest: I'm surprised the "#27 boys" haven't said: "don't bother, sell it and get a 270"
    In all seriousness - there is some good advice here; both to help you get on paper, and to save a heap of ammo & frustration chasing holes around the paper.
    At the end of the day - enjoy yourself sighting it in - but think about what you are doing rather than just blindly loading and squeezing the trigger...

 

 

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