I purchased the Chaos extended quad rail for my Saiga-12, and needed to remove the rear iron sight to mount it. The instructions state, "Remove rear iron sight by driving it out from the side... If you are having to apply too much force and the sight will not move... you will require a Dremel with a cutoff wheel." I was indeed unable to remove the rear sight with only a hammer, vise, and punch set. Believe me when I say I tried. I pounded on it for 2 hours straight (so to speak). Then, I decided to think outside the box. Instead of using a dremel (which I don't have) I decided to use a s