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. It allows the individual operator to free-float the M203 grenade launcher without additional parts.
Features
Free Floating Barrel Design
Mil-Spec 1913 Picatinny Rails
Continuous Upper Rail
Specifications
Black
MK18 RIS II
9.5"
Rail
AR Rifles
Black
Black
6061-T6 Aluminum
Rifle
AR Platforms
Yes
Picatinny
Black
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