I almost never use the 0-2 setting. I zero them with the small aperture and call it a day. But, I do not use the "traditional" sights. My SBR uses an ACOG with Troy back ups and my Noveske is outfitted with a Leupold Mark 4 MR/T.
This may help. http://upload.wikimedia.org/wikipedi...e_fig_4-18.png
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