This is a Magpul Industries Grip known as the MOE-K2, model MAG683-BLK.
Similar to the MOE SL" the MOE-K2 AK Grip is a drop-in upgrade for AK47/AK74 platforms that offers a more vertical grip angle" but in a full-size grip design. The steeper vertical grip angle improves comfort and control on these shorter LOP rifles that bring the primary hand in closer to the shooter's body. With an aggressive TSP texture for positive weapon control" compatibility with optional Storage Cores for gear stowage" and a unique backstrap design for proper trigger finger placement" the K2 brings modern styling and ergonomics to the AK platform. Made in U.S.A. Grip counts as one US compliance part for 922r.
Features:
Drop-in upgrade for AK47/AK74 pistol grips
More vertical grip angle than typical AK designs
Aggressive TSP texture for positive weapon control