Hello all, FR seems as good a group as any to ask a firearm related question: I have a 4.6" Smith and Wesson M&P 2.0 (10mm) I'd like to put a light on. I've never had a pistol with a light before, and am finding myself a bit overwhelmed by the sheer variety of choices. Any recommendations? I don't particularly mind it being toward the heavier end of things, since that'll help calm down the relatively lightweight M&P's muzzle snap. (I tell ya, you get spoiled by the good recoil manners of a 1911 sometimes...) This is a gun I...