I did my own with a sight pusher I bought from Midway. Took about 8 minutes to do both. I bought the sight pusher just because I have several other M&Ps that I would like to change the sights on, so it was worth it for me to do my own. Makes a world of difference though.
M&P .45 with TruGlo TFO
M&P 40C with TruGlo TFO