thanks for the input, Sapper1371USMC. I've been eyeballing the TWS dog leg rail...only reason I've held off is that he's developing a Gen II version that integrates the rail into the dust cover and has a latching mechanism in the rear. It's taken a while for him to engineer the latch, so I was starting to get a little impatient and was looking for some other options. Being that the side mount rail I just posted isn't all that great from what you've seen, I guess I'll keep waiting till the Gen II Dogleg comes out.
Semper Fi