It's an Ergo AR-15 Tactical Deluxe SUREGRIP. I like it a lot. It's a bit thicker and this helps position my finger for better trigger pull. It has a softer, rubbery feel to it and provides excellent grip. The only slight issue is that the upper palm web support doesn't match up to the contour of the rifle. There is a bit of a gap. It doesn't effect function at all but eventually I'll probably get a spacer in there.