Anodized aluminum picatinny rails for attaching accessories to m-lok compatible hand guards and forends.Mdts m-lok picatinny rails are designed to be a reliable addition to our chassis systems when installing various accessories on your bolt action rifle.They are machined from 6061-t6 aluminum, then hard-anodized black for a durable finish.The rails also feature laser etched positioning markers making repeatable set ups easier.They come in a variety of lengths, feature an integral qd flush cup sling mount on select sizes and include the necessary hardware for mounting to m-lok compatible attachment systems, which are currently integrated in many of our chassis system and forend designs.Mdts m-lok picatinny rails are compatible with m-lok attachment systems, such as all mdt chassis systems, our srs and scs buttstocks.Model: M-Lok Picatinny RailMaterial: 6061-T6 Aluminum