Transform your FN SCAR into a more modular, ergonomic platform with the KDG MREX MkII 6.5, a lightweight, precision?machined rail upgrade that extends your top rail and adds M?LOK mounting where you need it. Made from 6061?T6 aircraft?grade aluminum with a Type III hard?coat anodized black finish, the 6.5″ MREX MkII weighs just 8.5 oz and is built for SCAR 16 and SCAR 17 reliability in the harshest conditions. Ships 100% made in the USA with a pre?installed bridge, hardware kit, and QR installation guide; upgrade your SCAR today to unlock true modularity and mission?ready performance.