Product Description Handguard is Made of 6061-T6 Aluminum and Anodized Black Per Mil-Spec MIL-A-8625F, TYPE III, CLASS 2; The Barrel Nut is 4140 PH Steel; Full Top Rail + MLOK Slots on 7 Other Sides Sharps Bros. Handguard, M-LOK, 10", Fits AR-15 Rifles, Black SBHG07 at GritrSports Browse all GritrSports deals $142.45 In Stock at GritrSports Buy Now at GritrSports Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Sharps Bros. Sharps Bros.