AT3 Tactical AR Academy


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AR-15 Red Dot Sights and Astigmatism

If you see a blurred dot that looks more like a star or a comma, or if you see multiple dots instead of one, you could have a defective optic or you may have an astigmatism. Learn how to diagnose astigmatism vs. a defective red dot. You may not even realize you even have an astigmatism until you first look through a red dot sight.

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