FAB Defense NFR Quad Rail for Carbine Length M16 1913 Mil-Spec Picatinny Rails Black Anodized Aluminum FXNFR

• Carbine length M4 replacement forend rail system System adds four mil-spec Picatinny rails for versatile accessory applications.
• Precision machined from 6061 T6 billet Aluminum for Maximum strength
• Fully rugged construction will not bend or deform under any condition
• Field tested under extreme conditions for maximum performance and durability
• Hard coat anodized for optimum wear resistance Simple installation replace your polymer hand guards and secured by 4 bolts Rail system firmly locks to the barrel nut and front Hand guard Cap
• No gunsmith required System aligns perfectly upper receiver rail
• Receiver alignment is achieved by implementation of anti-rotation locking tabs Slim profile for better grip and handling of the firearm