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CVC
Joined: 04 Mar 2006
Posts: 1034
Location: Kansas
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| Posted: Fri Jan 05, 2007 8:29 pm Post subject: MOA - Can you explain it? |
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| I see MOA used frequently as a measure of accuracy, but I don't understand it. Can someone please explain it and its importance in understanding performance? |
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fuzzybear
Joined: 31 Mar 2004
Posts: 1316
Location: Bend, Oregon
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| Posted: Fri Jan 05, 2007 8:33 pm Post subject: |
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| MOA Minute Of Angle 1 minute of angle is 1" at 100 yds. 2" at 200. 3" at 300 and so on. 1/2 minute of angle is 1/2" at 100 yds. 1" at 200. 1 1/2" at 300 and so on. |
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CVC
Joined: 04 Mar 2006
Posts: 1034
Location: Kansas
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| Posted: Sat Jan 06, 2007 8:15 am Post subject: |
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Fuzzybear, thanks for the reply. I seem to get that part, but where I do not have a full understanding is when people start talking about, for example, "our rifle is tested and guaranteed to have 1MOA of accuracy" and other similar statements.
What does that really mean? Does it mean that the rifle will shoot 1 inch groups at 100, 2 inch at 200 and so on? |
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ChesterGolf
Joined: 17 Aug 2002
Posts: 1590
Location: Nova Scotia
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| Posted: Sat Jan 06, 2007 9:15 am Post subject: |
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CVC wrote: Fuzzybear, thanks for the reply. I seem to get that part, but where I do not have a full understanding is when people start talking about, for example, "our rifle is tested and guaranteed to have 1MOA of accuracy" and other similar statements.
What does that really mean? Does it mean that the rifle will shoot 1 inch groups at 100, 2 inch at 200 and so on?
That is exactly what they are claiming and it is usually based on a three shot group. It is stating that on that particular date with that particular ammo, this rifle shot a 1" group @ 100yds. |
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Don Fischer
Joined: 24 Mar 2005
Posts: 2037
Location: Antelope, Ore
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| Posted: Sat Jan 06, 2007 9:22 am Post subject: |
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CVC,
That's what they are implying. But it's also my understanding that target's sent with new rifles are shot minus the stock and from a vice. That could change things radically. I've never cared for that idea as it's is usually decieving. The though might well be that some professional shooter shot it at the factory and your just not as good. Some professional may have but he also used a vice in all likelyhood and was not hindered with a stock.
I would guess, and it is a guess, is that it is done prior to blueing and even befor a sierial number is stamped. Then if the barrel action fails to meet the standard, the project is scraped righ there. If it pass's, a serial number can be stamped right there, noted on the target and saved for packageing. In every firearms company you'll likely find a cost accountant! |
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CVC
Joined: 04 Mar 2006
Posts: 1034
Location: Kansas
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| Posted: Sat Jan 06, 2007 10:37 am Post subject: |
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| Thanks all! :thumbsup1: |
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