So, since I leave right of the interstate in Meth county USA, and after talking to some of the local cops, I decided to get a pistol light for my M&P. Ended up getting the TLR1 by streamlight. Damn this thing is bright! I read some reviews that if you have light walls, all those lumens will just bounce back at you and blind you as well. Luckily I have brown walls so that isn't a problem, but after playing with it at my parents house this weekend, I can confirm that white walls are blinding. Anyway, I also had a Burris Fast Fire 3 on my AR. When I bought it, I didn't realize that it was a mini red dot sight. So, I bought a riser and tried to make it work, but the glass is just too small. So I got the adapter and installed it on my M&P tonight. I'll have to play around at the range a bit with it, but so far I am happy with it.