Red used to mean stop and green go. Now, with laser sights being offered in both red and green, either color should be able to help stop a threat in its tracks with quick and efficient spot-targeting capabilities. So why do we need to make a choice between these two colors? The most common answer is that green is brighter and easier to see than red, but that’s a half-truth. A green laser beam is easier to see, but it isn’t actually any brighter. All lasers, red or green, are rated as Class IIIA, with an intermediate-level power measuring 1 to 5 milliwatts. Our eyes are just more sensitive to the green color spectrum, which makes a green laser appear brighter, and that is the principal advantage…

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