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Please help me understand MOA

 
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  #22  
Old 12-20-2009, 07:56 PM
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Location: Sonoma County, CA
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Re: Please help me understand MOA

MontanaRifleman,

So if I understand correctly 1 MOA at 100 yards = 1.407" on all scopes. Not just leupold scopes? Iam starting to see the full picture now.

Iam really starting to get into this stuff!

Iam about to purchase a leupold VXII 4.5-14x40 because the rifle iam going to mount it too will be a "all around hunting rifle, but I would like the capability of shooting long range with it. (Kimber Montana 300 WM). I have noticed not many people have leupold scopes on their rifles or atleast this particular model. is there a reason for that? Should I consider a different scope?

Thanks,
nick-
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  #23  
Old 12-20-2009, 08:11 PM
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Posts: 3,538
Re: Please help me understand MOA

Nothing wrong with Leupolds, I own em and don't think you'd be disappointed with one. Not wanting to get into a contest about what determines LR but for me anything 800+ yards is getting there and so if your talking in the same ballpark then you might want to consider something with a little higher magnification...well at least for me it's the eyes are getting older. You may also want to consider a NF-very rugged 5.5x22 but pricey.
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  #24  
Old 12-20-2009, 09:26 PM
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Re: Please help me understand MOA

Nikolakangrga,
You have one mistake in your past comment:
Quote:
So if I understand correctly 1 MOA at 100 yards = 1.407" on all scopes. Not just leupold scopes? Iam starting to see the full picture now.
1 actual MOA is 1.047 not 1.407.
As explained by MontanaRifleman
Quote:
We know that 1 actual MOA (vs a Leupy MOA) is 1.047" because there are 360 degrees in a circle and there are 60 minutes in a degree and if you do the math, 1 MOA @ 100 yds = 1.047" and @ 200 yds = 2.094" etc.
It is important that you have the numbers right for this.
Hope this helps.
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  #25  
Old 12-20-2009, 09:41 PM
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Join Date: May 2009
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Posts: 154
Re: Please help me understand MOA

Thanks HUAINAMACHERO, I guess I miss read the post.
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  #26  
Old 12-20-2009, 09:47 PM
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Join Date: Oct 2008
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Re: Please help me understand MOA

You can find more info on how to use MOA in the next email link.
http://www.westernshooter.com/2009/1...-of-angle.html
Hope this helps.
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  #27  
Old 12-20-2009, 10:34 PM
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Re: Please help me understand MOA

HUAINAMACHERO, good read and the test is pretty cool too! Thanks for posting the link.
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  #28  
Old 12-21-2009, 01:29 PM
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Join Date: May 2008
Location: South of Canada and North of Wyoming
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Re: Please help me understand MOA

Quote:
Quote:
Originally Posted by Nikolakangrga View Post
MontanaRifleman,

So if I understand correctly 1 MOA at 100 yards = 1.407" on all scopes. Not just leupold scopes? Iam starting to see the full picture now.

Iam really starting to get into this stuff!

Iam about to purchase a leupold VXII 4.5-14x40 because the rifle iam going to mount it too will be a "all around hunting rifle, but I would like the capability of shooting long range with it. (Kimber Montana 300 WM). I have noticed not many people have leupold scopes on their rifles or atleast this particular model. is there a reason for that? Should I consider a different scope?

Thanks,
nick-
Nick,

I have no personal experience with Leupold, but from other posts I read, it sounds to me that they do NOT use a true MOA turret. Many scope manufacturers use IPHY (inches per hundred yards) and call it MOA because it is close.... 1" vs 1.047". It doesn't really matter as long as you know what you are using and compensate for it accordingly. But there is a difference and at extended ranges it will add up. The difference @ 1000 yds for 1 MOA of travel is about 1/2", for 10 MOA it's about 5" and for 20 MOA it's about 10", which is a typical drop for a lot of cartridges.

I prefer the true MOA because that's what most ballisitc programs use and there is no confusion in terminology. The IPHY system is less mental work if you think in inches.

Mark
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