Nine Ball Custom Skeleton Grip NEO for Tokyo Marui Hi-CAPA Gas Blowback Airsoft Pistols (Color: Black)Features Lightweight, durable injection molded polymer Keeps your magazines warmer and reduces cool down effect Ergonomic skeletonized design for a superior grip Lightweight and simple yet effective A minimalistic yet effective hi capa grip that gives the player a closer grip to both the gun itself and the magazine. The magazine can be heated by the player's hand for a reduced cool down effect and more consistent cycling, especially when rapid firing.