Daniel Defense M4A1 RIS II FSP Rail 12.25

Overview

Daniel Defense RIS II FSP Features This rail system allows users to retain their standard A2 front sight gas block while taking full advantage of free-floating barrel performance. The RIS II FSP features full-length MIL-STD-1913 Picatinny rails at the 12 3 6 and 9 o'clock positions offering secure and repeatable mounting for lights lasers foregrips and optics. Constructed from aircraft-grade aluminum and paired with a hardened steel barrel nut the M4A1 RIS II FSP ensures exceptional durability and precision. It is the same rail used by U.S. Special Operations Command (SOCOM) and delivers military-grade quality for any serious AR-15 platform build. Daniel Defense M4A1 RIS II FSP Specifications Manufacturer: Daniel Defense Model: M4A1 RIS II FSP Rail Assembly Type: Accessory - Rail System Item Group: Rifle Accessories Finish: Black Finish Type: Anodized Overall Length: 12.25 Weight: 17.1 oz Shipping Weight: 1.5 lbs Mounting Type: Free-Floating Rail Type: MIL-STD-1913 Picatinny (Quad Rail) Compatibility: AR-15 with Fixed Front Sight Gas Block Hardened Steel Barrel Nut Free Floating Barrel Design SOCOM Contract Proven Design