Madbull Daniel Defence Licensed M4A1 12.5 Inch RIS II (Dark Earth)
The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government's need.
The Daniel Defense RIS II free-floating Picatinny rail systems are designed to allow individual operator to quickly, and without special tools, mount M203 Grenade Launcher and precisely mount SOPMOD accessories to host weapon without effecting point of impact.
Licensed Airsoft Version of thisrail system from MadBull
Free float barrel design that allows the individual operator to easily install it
T6 6061 Aluminum Construction
Hardened Steel Barrel Nut
Design for mount M203 Grenade Launcher and precisely mount SOPMOD accessories to host weapon
Total Length: 316mm