M4 gas block
i am here in the noob section cuz i dont have a clue in the world what to do. i am trying to get a set of folding sights for my M4, and i dont want the free float RIS to just fall off. does a gas block take the place of the standard front sight in holding the RIS in place? :? i tried looking around and got no info from any other sights, some help would be appreciated. thanks.