This is a Magpul Industries Grip known as the MOE+ Grip, model MAG416-GRY.
The MOE+ Grip combines reinforced polymer body construction with comfortable" wrap-around rubber overmolding for maximum weapon control in adverse environments. With a similar shape to a 'medium' sized MIAD" this AR15/M4 drop-in design features a hard-polymer bottom edge to reduce the possibility of equipment snags or grip damage. The MOE+ Grip accepts optional Storage Cores for gear stowage and includes a basic grip cap. All mounting hardware included. Made in U.S.A.
Features:
Replacement for AR15/M4 pistol-grip
One-piece reinforced polymer construction with wrap-around rubber backstrap
