Get a better grip on any situation with your rifle with Magpul M-LOK Type 2 Rail Covers. These low profile covers feature Magpul's TSP (Trapezoidal Surface Projections) texture and they install directly to most full and half size aluminum M-LOK hand guards (not compatible with polymer hand guards). The Half Slot Rail Covers were made to work in conjunction with Magpul's full size Type 2 rail covers.Specifications and Features: Magpul Industries Item Number: MAG1365-BLK M-LOK Rail Covers Quantity: 6 Pieces Size: Half Slot Fills in Space Left by Full Size M-LOK Rail Covers Beveled Contours TSP Texture Provides Extra Grip Made in the USA Color: Black Fits: Most Aluminum M-LOK Rails (not compatible with polymer hand guards)