Home / Accessory-Rails / Daniel Defense RIS II M4A1 FSP ASSEMBLY BLACK Sale! Daniel Defense RIS II M4A1 FSP ASSEMBLY BLACK$50100 $48289 Only 2 left in stock Daniel Defense RIS II M4A1 FSP ASSEMBLY BLACK quantity Add to cart SKU: 01-004-08030-006 Category: Accessory-Rails Product ID: 33847 Description Description Free Floating Barrel DesignMil-Spec 1913 Picatinny RailsHardened Steel Barrel Nut Related products Sale! Daniel Defense RIS III 13″ FSP ASSEMBLY BLACK $50100 $48289 Sale! Bergara BASE 20MOA LONG ACTION $9900 $7915 Sale! Daniel Defense MFR 15.0 M-LOK ASSEMBLY BLACK $35000 $34069 Sale! Daniel Defense RIS III 12.5″ ASSEMBLY BLACK $50100 $48289