I don't know if it will be announced at SHOT or not, but Magpul will be introducing a couple of items of interest, beyond the new Pmags.
Image of their new 40-round Pmag, as well as a rubberized MOE forearm grip similar to the overmolded rubberized MOE pistol grip they announced a couple of months ago (as also seen in this picture). I have that pistol grip...it's excellent (althougth only available in black so far).
