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how far will 90 MOA of adjustment allow you to shoot?

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  #1  
Unread 10-29-2002, 11:15 AM
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how far will 90 MOA of adjustment allow you to shoot?

I see that the Leupold long range scopes offer 90 MOA of elevation adjustment, assuming either a factory 26" heavy barrel as well as a 28-32" hart, lilja, shillen etc, how many yds will this scope allow?

Also, assume a standard base and a long range base.

Thanks
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    Unread 10-29-2002, 11:24 AM
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    Re: how far will 90 MOA of adjustment allow you to shoot?

    What caliber are you shooting?????????????
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      #3  
    Unread 10-29-2002, 11:44 AM
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    Re: how far will 90 MOA of adjustment allow you to shoot?

    Lets say several different calibers

    220 swift 700VSSF 26" heavy barrel

    280 ackley 28" heavy barrel 140gr bullet

    300UM with 30-32" barrel (not built yet)

    Thank you for your help.
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    Unread 10-29-2002, 01:23 PM
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    Re: how far will 90 MOA of adjustment allow you to shoot?

    http://internet.cybermesa.com/~jbm/b...traj/traj.html

    JustC,

    Here is a link to a useful online external ballistics calculator. Just plug in your info on the left side, and hit calculate at the bottom. You can change drop and windage units from inches to MOA or mils.

    MM
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    Unread 10-29-2002, 01:45 PM
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    Re: how far will 90 MOA of adjustment allow you to shoot?

    MontanaMarine,
    many thanks. I am interested to know if a leupold long range will allow 1000yd shooting. I will plug in some info and see what I get.
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    Unread 10-29-2002, 04:35 PM
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    Re: how far will 90 MOA of adjustment allow you to shoot?

    JustC,

    don't forget you're gonna loose half of your ele adjustment when you zero on a flat base and half less 20 moa is you use the tapered bases. So at best you're gonna get about 65 moa with the tapereed base and 45 with the standard.

    FatBoy...
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      #7  
    Unread 10-29-2002, 05:05 PM
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    Re: how far will 90 MOA of adjustment allow you to shoot?

    To 1000yds, you are going to need 20 to 35 min when using a BC bullet of .4 or higher with a muzzle vel. of 2700fps or higher. Basically, you will have no problem getting that far. The only one is the 220swift.

    If you use varmint weight bullets, they are going to drop like stones. If you use the 69 to 75gr bullets, no problem.

    With 86min, I can take my 308 shooting 155gr amax bullets to 1500yds. With 75min, my 300Wby shooting the same bullet can go to 1960yds.

    If you can use the full 90min, you are going a very long ways with any decent bullet. Chances are you are going to need to shim your bases and use Burris sig. rings to make that happen.

    Good luck...

    Jerry
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