Different than any forend Odin Works has ever made, the Ragna is a complete change from past forends. Designed for the fastest install possible, the Ragna features a one-piece barrel nut with no shims or clocking needed. Strong, lightweight, and unique, the Ragna is available with MLOK attachment points where you need them. Features: Advanced ergonomic engineering 6005-T651 aluminum construction QD points at 3 & 9 ODIN Works warranty All .750 Odin Works gas blocks fit inside Barrel Nut included