Introducing the Sons of Liberty M8915: ID: 1.4This product features a robust finish, meticulously designed to meet Mil-Spec MIL-A-8625F standards. Not only is the finish hard anodized and non-reflective, but it also includes a NiAc Seal. Significantly, the coating\'s color is anodized to match the shade of Sons of Liberty receivers seamlessly.Adding to its special attributes, our M8915 also comes with engraved T-Marks, further enhancing the allure of the product. Each purchase includes a Rail, Barrel Nut, Barrel Nut Wrench, and Lock-Up Components - everything you need, right out of the box.