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Old 12-08-2007, 09:30 PM
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Red Dot Dilemma; MOA Confusion



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I am in the process of purchasing a red dot scope for my Ruger Mk III (3,000 rounds later, I could not be happier). After checking out the selection at various retailers, I noticed that some red dot scopes were labled as "5 MOA Red Dot" or "3 MOA Red Dot."

What is the difference? I have a general knowledge of the dictionary definition of Minute of Angle, but what does that mean for a recreational shooter? How does 3 MOA or 5 MOA effect me in terms of possible distance, accuracy, etc.? Is one more accurate than the other?

Thanks in advance!

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Old 12-08-2007, 09:33 PM
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basically its how big the dot will look at 100 yards.. 3moa is 3" 5moa at 5"
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Old 12-09-2007, 12:17 AM
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Quote:
Originally Posted by juvethefish View Post
How does 3 MOA or 5 MOA effect me in terms of possible distance, accuracy, etc.? Is one more accurate than the other?
Only in terms of how they affect your ability to pick a precise aimpoint. As Bruss says, the 3 MOA dot covers an area 3 MOA in diameter. So, at a typical range of 25 yards the dot is covering an area about 0.79" diameter. If your target is small (say 0.5") it will be completely hidden by the dot, and you won't know where on the target your dot is centered. With a 5 MOA dot the area covered at 25 yards is about 1.3" diameter.

On the other end of the pro-con spectrum, the larger dot is easier to see and acquire in a hurry.

Some of the newer "red dot" scopes offer a variety of dot "shapes" that include hollow rings, crosshairs, hollow boxes, etc, that minimize the effect of the dot covering up the target.
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Last edited by Sophia; 12-09-2007 at 12:28 AM.
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Old 12-09-2007, 06:39 AM
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Old 12-11-2007, 11:04 AM
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Thanks...

Thanks for the info...your replies have given me some insight on the issue.

Keep Shootin'.
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