http://www.airsoftextreme.com/store/...5b25090825acce
Might consider one of those....made by KJ, looks to have the "shape" of the TK grip(which KJ also makes), but with regular magwell lip so you can install a magwell with no problem(in theory)....
Grip comes stock with the new KJW Hi-Capa....
http://shop.ehobbyasia.com/kj-works-...-magazine.html