I'm with Old Dog on this one... leave the damned rails to the choo choo trains, stair cases, etc.
They don't belong on a handgun.
I figure the more people start hanging lights on their pistols, the more people are gonna start shooting holes in their TVs, refrigerators, couches, etc., when they get up in the middle of the night to see what that noise was, and the cat or dog startles 'em.
Then again, it may be the cat or dog that ends up getting plugged...
Sorry, but "Joe Average" has no business with his gun and light being pointed in the same direction at all times.... Especially if he uses a Glock, and isn't religious about keeping his finger off the trigger.
For me, keeping the gun down at low ready while the light does the sweeping of the area works just fine, and offers a little more safety for those around me when I have to go look things over after dark.
Also, rails on pistols are just plain butt-ugly too.
Anyway... no. No rails for me.
J.C.