Originally Posted by clue
Here is a picture
I'll go with a less poular suggestion:
Magpul MOE. Affordable, cool, comfortable and modular. What I like most are the different lengths of modular rail you can bolt on. My first build has an MOE forend with an AFG on the bottom, and you can see the rails. I also added another piece of rail to secure a surefire light. I guess what I dislike about the rails is that HAVE to wear glove..for heat and the meat-grinder-like action that will chew up your hand. That and someone mentioned "how much rail do you need?"
Just my $.02