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#3360644 - 09/15/13 09:05 PM How Do You Measure MOA?
1shot1kill
4 Point


Registered: 09/06/01
Posts: 402
Loc: unicoi county tn us

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I measure outside edge to outside edge of farthest shot in group with digital calipers then subtract bullet diameter to give me the MOA. Is this how you all do it? Or do you measure one single hole to get your diameter subtraction? Also heard some measure center to center. Just wondering what the standard is. Mr Big and Deer Assasin please chime in.

Thanks

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#3360688 - 09/15/13 09:27 PM Re: How Do You Measure MOA? [Re: 1shot1kill]
ratsnakeboogy
10 Point


Registered: 08/28/08
Posts: 3491
Loc: Andersonville, TN

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Center to center minus bullet diameter. That's the way I've always done it.
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#3360693 - 09/15/13 09:29 PM Re: How Do You Measure MOA? [Re: 1shot1kill]
Rubberduck270
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Registered: 11/01/10
Posts: 2804
Loc: Lawrence Co.

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Measure center to center unless its a really clean hole. That's measuring your group size. MOA is minute of angle which is just a fancy way of saying 1.047" per 100 yards.
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#3360699 - 09/15/13 09:31 PM Re: How Do You Measure MOA? [Re: Rubberduck270]
Rubberduck270
10 Point


Registered: 11/01/10
Posts: 2804
Loc: Lawrence Co.

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You only subtract bullet dia. if you measure outside to outside. Subtracting the dia. then just gives you the center to center measurement.
_________________________
Smokeless Muzzleloading: It ain't your Grampa's flintlock

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#3360743 - 09/15/13 09:54 PM Re: How Do You Measure MOA? [Re: Rubberduck270]
ratsnakeboogy
10 Point


Registered: 08/28/08
Posts: 3491
Loc: Andersonville, TN

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Good to know, thanks.
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#3361103 - 09/16/13 09:48 AM Re: How Do You Measure MOA? [Re: ratsnakeboogy]
Deer Assassin
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Registered: 08/01/03
Posts: 87012
Loc: Kingston Springs

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for measuring groups

outside edge to outside edge of the 2 farthest shots - bullet diameter
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#3361198 - 09/16/13 11:13 AM Re: How Do You Measure MOA? [Re: Deer Assassin]
megalomaniac
12 Point


Registered: 10/28/05
Posts: 5055
Loc: Mississippi

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so I don't have to subtract bullet diameter (I didn't do as well with that in school \:\) ), I measure from farside edge of one hole to the nearside edge of the furthest hole for group spread
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#3361232 - 09/16/13 11:50 AM Re: How Do You Measure MOA? [Re: megalomaniac]
infoman jr.
10 Point


Registered: 10/05/03
Posts: 3920
Loc: Elizabethtown, KY

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 Originally Posted By: megalomaniac
so I don't have to subtract bullet diameter (I didn't do as well with that in school \:\) ), I measure from farside edge of one hole to the nearside edge of the furthest hole for group spread

That will only work if you have 2 complete bullet holes available. It wouldn't work here:
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#3361632 - 09/16/13 04:49 PM Re: How Do You Measure MOA? [Re: infoman jr.]
Happy Birthday DaveB
10 Point


Registered: 09/03/08
Posts: 4036
Loc: Shelby County

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That is good shooting Infoman.
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#3361650 - 09/16/13 05:15 PM Re: How Do You Measure MOA? [Re: DaveB]
ratsnakeboogy
10 Point


Registered: 08/28/08
Posts: 3491
Loc: Andersonville, TN

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 Originally Posted By: DaveB
That is good shooting Infoman.


Don't give him the big head, that group was shot with the rifle safely locked down in a robotic lead sled, computer actuated trigger, 11 feet from the muzzle.


JK

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