This set of carbine rails comes in new, used and defective condition. New comes with 4, 11 rib rail covers and vertical fore grip. Used means these rails are in good condition, they have some obvious wear and are dirty but guaranteed to be fully functional. See the pictures for an accurate visual representation. This rail set also comes in defective condition. Defective means that these rails have been painted black by a previous user. Defective rails also do not include the clamp and screw for securing the rail to the rifle.