Only sight replacements I've done were on Glocks, and I had an actual Glock sight tool to do this with. Even with the proper tool, they were difficult once in a while. If I was lacking even a simple vice to "chuck" the slide up in solidly, its not really something I would attempt. Most likely you'll end up getting things all dinged up, wishing you woud've done it right the first time. Just my.02