I want to get a bipod for my m16A2. Did a search found some good general info on bipods but no specific reccomendations. So here goes:
I'll be using it to fire from the prone position at the range. Right now I have a hell of a time shooting prone with IBA & helmet on. I'm swapping out the stock for an M4 type (I've decided on the LMT SOPMOD Buttstock Assembly, thanks TR

); that should help getting the stock into my sholder correctly. A bipod will make getting the weapon stable easier.
I did some sandbag tests and a hight of about 10 or 12 inches should be good.
I need the bipod to attach to the rail under the front sights. It should be fairly easy to remove it when not needed.
I'd like the legs to fold toward the rear (toward the reciever). Our Marine brothers have one like this but I have never used it.
What are your reccomendations for a good light bipod for the M16/M4?
Thanks!