The factory dovetail has to be file fit to the Dawsons. On the total custom 24 I used Fusion sights. They still have to be fit but they use two set screws instead of locktight to set them in the slide. I will post some pics.
"A quiet hit in the right place is better than a loud miss in the wrong place followed by 10 more shots on the run"
I was a handgun hunter, when handgun wasn't cool.....