Daniel Defense RIS II MK18 FDE Rail Interface System Assembly

Daniel Defense's Rail Interface System or RIS II was originally designed at the request of the United States Special Operations Command (SOCOM) for SOPMOD II program. This program had a specific requirement to free float an M203 grenade launcher without additional parts, and Daniel Defense delivered. The RIS II itself features four picatinny rails in the 12 o'clock, 3 o'clock, 6 o'clock, and 9 o'clock positions with plenty of space to mount accessories such as tactical lights/lasers, fore-grips, iron sights, and optics. The RIS II utilizes Grade 8 Mili-Spec fasteners, and a battle-tested 6-bolt system to attach to the handguard of the upper receiver. Features: Free-Floating barrel designTwo-Piece Design for USSOCOM Allows For the Attachment of an M203 Grenade Launcher When Lower Rail Section is Removed. Battle-Tested, 6-Bolt Bolt-Up System Securely Attaches Handguard to the Upper ReceiverGrade 8 Military Specification FastenersUninterrupted Upper Rail Platform & Mil-Spec 1913 Picatinny RailsMil-Spec Type III Hard Coat Anodized Finish (FDE or Black) Daniel Defense RIS II MK18 FDE Rail Interface System Assembly 01-004-08020-011 - Excellent Condition - Screw Head Scratches UA5499