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Posted: 12/24/2001 11:07:25 AM EDT
What is the difference? Does it mean that it magnifies? I am looking at an Aimpoint Comp M/XD and it says 3MOA. I am not sure what the "3MOA" stands for. Please help a red-dot scope newbie out. Thanks!!!
Link Posted: 12/24/2001 11:15:28 AM EDT
It tells you how big the dot appears to be on target. 3 MOA covers about 3 inches at 100 yards, 4 MOA 4 inches at 100 yards. 3 MOA would be about .3 inches at ten yards and 1.5 inches at 50 yards. Watch-Six
Link Posted: 12/24/2001 11:15:36 AM EDT
3 MOA means that dot is three inches wide at 100 yards. it covers 3" of your target at that distance. extrapolated, means 6" of coverage at 200...etc....
Link Posted: 12/24/2001 11:18:25 AM EDT
3 MOA is the size of the dot. One MOA being appx. 1" at 100 yards, a 3 MOA dot will cover 3" at 100 yards, 6" at 200 yards, 1.5" at 50 yards, etc.
Link Posted: 12/24/2001 1:48:54 PM EDT
Link Posted: 12/24/2001 2:05:39 PM EDT
Take a look at www.bullseyepistol.com for a pretty decent explanation of red dots.

Yes, asigmatism will have an effect, as may plastic lenses in glasses,
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