The dimensions by all speculators are in fact, wrong. I went to a hardware store, today, and nothing matched. I have talked to MrGunsandGear, who had absolutely no idea, and my friend talked to Greg from Carolina Shooters Supply, who also had no idea. They are not the same dimensions as Ak front sight posts, nor the 20, or 12 gauge. I have purchased a 40 dollar bead sight, which is beyond me on logic, but appearantly the only ones that exsist are from saigastock.com. As if that isn't weird enough, I am not having a positive experience with that company. There is a voice recording you get every