Yes. I have used this device to install Novak sights on a Kimber series 1. For these sights, I did have to use a hammer and punch to remove the rear sight and get the new one in the dovetail. Once the new sight was completely in the dovetail, I was able to move it with the pusher until I had it centered on the slide. This pusher can accommodate the front end of 1911 slides.
The only disadvantage to the MGW pusher is that shoes are not available for a small number of less common slides.