MOE-K2 is a drop-in upgrade for AR15/M4 platforms that provides a more vertical grip angle for PDW configurations. It features a one-piece reinforced polymer construction, aggressive Trapezoidal Surface Projections (TSP) texture for positive weapon control, and a backstrap design for proper trigger finger placement. Includes a basic grip cap and accepts Storage Cores for gear stowage. Made in America. Magpul SKU MAG522. Weight: 2.9 oz.