Home / Accessory-Rails / Daniel Defense RIS II M4A1 ASSEMBLY FDE View cart “Daniel Defense RIS III 10.5″ ASSEMBLY FDE” has been added to your cart. Sale! Daniel Defense RIS II M4A1 ASSEMBLY FDE$50100 Original price was: $50100.$48289Current price is: $48289. Out of stock SKU: 01-004-08001 Category: Accessory-Rails Product ID: 31183 Description Description Free Floating Barrel DesignMil-Spec 1913 Picatinny RailsContinuous Upper Rail Related products Sale! Daniel Defense DDM4 PICATINNY RAIL 15.0 $46200 Original price was: $46200.$44554Current price is: $44554. Sale! Daniel Defense RIS III 9.5″ ASSEMBLY BLACK $50100 Original price was: $50100.$48289Current price is: $48289. Sale! Daniel Defense RIS II M4A1 FSP ASSEMBLY BLACK $50100 Original price was: $50100.$48289Current price is: $48289. Sale! Daniel Defense RIS II M4A1 ASSEMBLY BLACK $50100 Original price was: $50100.$48289Current price is: $48289.