Home / Accessory-Rails / Daniel Defense RIS II M4A1 ASSEMBLY FDE View cart “Daniel Defense MFR 15.0 M-LOK ASSEMBLY BLACK” has been added to your cart. Sale! Daniel Defense RIS II M4A1 ASSEMBLY FDE$50100 $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 RIS III 10.5″ ASSEMBLY FDE $50100 $48289 Sale! Daniel Defense RIS II M4A1 FSP ASSEMBLY BLACK $50100 $48289 Sale! Daniel Defense RIS III 12.5″ ASSEMBLY BLACK $50100 $48289 Sale! Daniel Defense MFR 15.0 M-LOK ASSEMBLY BLACK $35000 $34069