Daniel Defense 00408030006 RIS II Hndguard M4AI FSP Black

The Daniel Defense 00408030006 is a well-crafted Rail Interface System (RIS II) initially tailored for the SOPMOD II program at the behest of the United States Special Operations Command (SOCOM). Its groundbreaking design allows individual users to free-float the M203 grenade launcher without the need for additional parts. The top rail of the RIS II M4A1 FSP by Daniel Defense features a strategically positioned cut out to fit a standard front sight base on a carbine length gas system. Extra Product Details: The rail weighs 17.1 oz, measures 12.25\" in length, 2.23\" in width, and has a height of 2.25\".