Daniel Defense RIS II M4A1 FDE Rail – 12.25″ Free Float

Upgrade your M4 platform with the Daniel Defense RIS II M4A1 FDE Rail, designed for the SOPMOD II program by SOCOM. This 12.25″ free float rail is crafted from aircraft-grade 6061-T6 aluminum and features uninterrupted Picatinny rail platforms. Its innovative design allows for quick mounting of the M203 grenade launcher without special tools, enhancing versatility and performance. With a hardened steel barrel nut and military-specification fasteners, this rail ensures durability and precision. Available in Flat Dark Earth or Black finish. Made in the USA.