Is this 1 MOA?

[bczandm]

47423
Is this 1 Min. of Angle? It was shot at 100 yards with a .308. I am try to understand MOA better and I think it's 1 MOA but would like someone to confirm. If not, what would it be measured as?
I am thinking it's 1 MOA on the horizontal and about 3/4 MOA on the vertical.
TIA,
Bob

[J]

Your numbers look about right to me. Can't tell for sure without calipers or some sort of measuring.

Given that your horizontal extremes are also the vertical extremes it might be just slightly over. Even if your windage and elevation spreads are independently under 1 moa, the group may not be under one moa when measured correctly.

Measure center to center of the two furthest holes to confirm. Or outside to outside and subtract your caliber.

[ray1970]

Close enough to MOA for government work.

If you can hold a ten inch pattern at 1000 yards that would be MOA as well.

[BPTactical]

Close enough to MOA for government work.

If you can hold a ten inch pattern at 1000 yards that would be MOA as well.

Yup, linear equation. 1 moa = 1" @100, 2" @200 etc.

[J]

Linear equation. But otherwise yes, what he said.

[BPTactical]

Linear equation. But otherwise yes, what he said.

Thanks J!

[TheBelly]

Effin Math up in here!

[Aloha_Shooter]

Yup, linear equation. 1 moa = 1" @100, 2" @200 etc.

Damn that linear stuff. I bet they don't deal with that tough stuff in Common Core ...

[spqrzilla]

Assuming that the grid is 1 inch on a side, your group is a bit over 1 MOA. But not by much. That the group has more horizontal dispersion than vertical leads one to think that the rifle is more than capable of 1MOA given calm air and good hold. Usually ...

[sellersm]

In Common Core this problem would be: "please write 2 paragraphs about why guns are bad, then draw a picture of a circle."

[bczandm]

Thanks everyone. We had a nominal crosswind/tailwind coming in at about a 45 degree angle from our right/rear. I'd guess 3-5 MPH. That might account for the vertical spread. It could also be our inexperience as we are still learning.
Bob

[Blowby]

47487

[SideShow Bob]

Yup, linear equation. 1 moa = 1" @100, 2" @200 etc.

This is a Moa http://en.m.wikipedia.org/wiki/Moa:

All kidding aside, 1 MOA is actually 1.047" at 100 yards, 2.094" at 200 yards and so on. Still, it is 10.47" at 1,000 yards. But rounding down to 1" would only upset the most anal of bench rest shooters.

[Madusa]

Did I miss something? Three round, five round, and ten round groups are the norm. Four round groups are going to piss off the anal, linear equation benchrest shooters.

[bczandm]

It really is a five round group....although it does not look like it in the photo.

[vossman]

[ROFL1]


In Common Core this problem would be: "please write 2 paragraphs about why guns are bad, then draw a picture of a circle."