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.