I was scrolling down to say the same thing. The only difference is I much prefer the .072 flat top sight.
KNS Front Sight AK-47, SKS Standard Post Steel Black Installing the KNS sight made a huge difference in the sight picture and groups size. I shot this 200 yd. group while regulating the new front sight.
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They're not necessarily 3 MOA rifles, as you can see above. Your average shooter simply doesn't know how to get the most out of iron sights. For example, and not knocking the OP, but he was shooting at 100 yds. with a coarse, dark front sight at an 8" black target. As such there was no hope at all of a decent sight picture, which is needed to shoot good groups. A smaller front sight with a better target would help him shoot smaller groups.
35W