I have a ar 15 with an Eotech cowitnessing the irons. However, last time I was at the range I was just using irons, and I was wondering if anyone here can recommend a much smaller hole for the rear sight? Or if there is an insert out there that I can put inside the small hole in the sight to make it smaller? I think that my groups could tighten up considerably if I had a smaller hole to look through while focusing on the front sight. Any info or advice would be appreciated! Thanks!
