Are you ready to transform your FN SCAR 20S into the ultimate long-range precision rifle? Look no further than the KDG FN SCAR 20S Rail (MREX20), a revolutionary modular receiver/chassis system designed to enhance accuracy, ergonomics, and overall functionality. Building upon the legendary durability and performance of the KDG MREX MkII, the MREX20 incorporates valuable input from seasoned long-range shooters, law enforcement marksmen, and top precision shooters to deliver a truly exceptional upgrade for the FN SCAR 20S. What Makes the KDG FN SCAR 20S Rail Stand Out? Enhanced Accuracy: The MREX20 provides a rock-solid foundation for your optics and accessories, promoting stability and consistency for improved long-range accuracy. Ergonomic Design: The sleek and streamlined profile of the MREX20 enhances handling and maneuverability, while the ergonomic flat base allows for comfortable shooting from various positions, including bags and barricades. Advanced Features: The MREX20 boasts a non-infrared reflective Cerakote coating to reduce visibility, and the addition of a second bridge enhances overall strength and stability, providing a complete chassis upgrade. Versatile Configurations: Available in four distinct models - MREX20, MREX20 XL, MREX20 A, and MREX20 AXL - the KDG FN SCAR 20S Rail caters to a variety of needs and preferences. Choose the model that best suits your shooting style and accessory requirements. MREX20: The baseline option with no added nomenclature or additional features. MREX20 XL: Offers 2 additional MLOK slots forward of the receiver, extending the overall length by 3.5 inches. The step-down design provides optical clearance for lasers and accessories. MREX20 A: Features an integrated Arca Swiss rail along the bottom without compromising MLOK mounting options. Includes Really Right Stuff's RRS-Lock for secure tripod mounting. MREX20 AXL: Combines all the features of the MREX20 A with the extended length of the MREX20 XL. MLOK Compatibility: The MREX20 utilizes industry-standard MLOK technology, offering endless customization options for attaching lights, lasers, grips, and other essential accessories.