I'm actually looking into reasonably priced flashlights for field games as well and found these
http://shop.ehobbyasia.com/accessori...ser-sight.html
&
http://www.barska.com/Flashlights-26..._Tactical.html
I'm curious what all your opinions on tactical grip flashlights are. I'm in the middle of buying myself a RIS for my M4 and it seems like it's a good way to kill 2 birds with one stone for anyone else who's also looking for a foregrip