Geissele DDC, or Desert Dirt Color, refers to the variety of shades of desert terrain. Differing shades of DDC are desired on a military small arm to breakup the outline of the weapon. in the picture of the product, and can also vary from each other when comparing one product to another product. So it is possible that your accessory rails will not match exactly to your rail.
Due to the chemical process that takes place during Type 3 Hardcoat, the finish on the product can vary from one to the next, even if it is the same batch. The only way to receive a uniform finish on all parts and accessories to match a color you desire, is to have it recoated or painted with a different finish, for example Cerakote ™ or DuraCoat.
