Daniel Defense RIS III FSP Features Built from aircraft-grade aluminum and finished in rugged Type III hardcoat anodized Flat Dark Earth the RIS III FSP is engineered for reliability under hard use. It features a continuous 1913 Picatinny top rail for uninterrupted optics mounting and includes integrated QD sling swivel attachment points for versatile sling setups. The M-LOK rail system along the sides and bottom provides modern accessory compatibility in a lightweight format. The free-floating barrel design enhances rifle accuracy by isolating barrel harmonics from external forces. Ideal for shooters who want the traditional front sight gas block paired with today's most modern rail features the RIS III FSP delivers uncompromising performance in a refined FDE-finished package. Daniel Defense RIS III FSP Specifications Manufacturer: Daniel Defense Model: RIS III FSP Type: Accessory - Rail System Item Group: Rifle Accessories Overall Length: 13 Finish: Flat Dark Earth Finish Type: Applied Anodized Finish Weight: 16.38 oz Shipping Weight: 1.33 lbs Mounting Type: Free-Floating Top Rail: Continuous 1913 Picatinny Attachment System: M-LOK Sling Mounts: Integrated QD Sling Swivel Attachment Points Compatibility: AR-15 Platforms with Fixed Front Sight Gas Block (FSB)