History of SOPMOD In the year of 1990s, United States Special Operations Command (USSOCOM) start a new program - Special Operations Peculiar Modification (or "SOPMOD"), to find a solution for extra requirements of special force infantry weapon, and to assemble all additional combat gears or parts, which allows Special Operatior to configure their weapons to individual preferences and mission requirements. In conclusion, the "SOPMOD M4" were finished. Base on a standard Mil-Spec rail system called "Picatinny Rail"(MIL-STD- 1913 rail), it has been added to a quad rail handguard from Knight Armament, then the rifle and extra gears can be assembled by this standard rail system, made SOPMOD M4 an easy-to-use and could be combination with any accessories which have the same port. After tested and actual use, this system was popular to every U.S. and foreign military units. Even created many similar system and weapon, like the Mk18 Mod0 CQBR of U.S. NAVY. Profiles Full CNC Process Forging Receiver Forging series RIS II inherited it's high quality, VFC is complete presentation exquisite realistic appearance from real gun. All measurement, material and process are built as real. Reinforced forging aluminum receiver with complete Colt markings and SN prefix, with all appearance realistic structure detail. All SOMPOD II Duty Set Realistic configuration with SOPMOD II program, forging series RIS II provide two kind of DD handguards, LMT type SOPMOD stock, KAC flip-up front sight or standard iron sight with KAC 600m flip-up rear sight, KAC pistol grip and 14.5" SOPMOD heavy barrel. DD RAIL INTERFACE SYSTEM II Base on real Daniel Defense handguard system designed for M4 SOPMOD II program, It's a Free-Floating design, with a sightless gas block, made by aircraft grade 6061-T6 aluminum, full precision CNC machined and military specification type II hard coat anodized with flat dark earth color and all manufacturer markings. M4 SOPMOD II Key Features All USSOCOM SOMPOD II program du
