Hello all! I’m new to this forum and never heard of it until my brother-in-law introduced me to it the other night. Lots of good info on here. I have 6 1911 pistols now and I got one I would like to put a red dot on. It’s an old Auto Ordinance US Army .45 great shooting accurate old pistol that I can’t even imagine how many rounds have been shot threw it with out a hiccup. The gun just has old iron sights on it and I would like to replace it with a red dot but I’m not sure how you would mount it? I would think you would have to send it to a smith and have some machine work done to it or does it slide into the slot of the rear sight? Idk. Also what brand of red dot would you refer? I don’t need anything expensive but don’t want something that is going to break after a couple hundred rounds.