• 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