ERGO Grip Tactical Light Switch Mount Kit holds tactical light switch firmly in place. The unit clips on to standard Picatinny and Weaver rail sections. UGrip A2 Pistol Grip Plug (Black), Medium, Model Number: 4933-A2-BK;

This plug has been replaced by the new A2 plug from ERGO. SKU 4925. Any purchases will have the new plug sent instead.
The Ergo A2 Pistol Grip Plug is designed to plug the cavity on the bottom of a standard A2 grip and is secured by friction. The plug prevents debris from lodging in the cavity of the grip and functions as a shock absorbing pad to protect the grip when setting the fire down on hard surfaces.