The New NFR Aluminum Quad Rail System provides you with a carbine length M4 handguard upgrade enhancing your weapon's overall tactical performance, ventilation and versatility.

• Four 1913 MIL-STD Picatinny rails for versatile mounting solutions
• Precision machined from 6061 T6 Billet aluminum for maximum durability
• Rugged construction will not bend or deform under any condition
• Field tested under extreme conditions for maximum performance and durability
• Integrated ambidextrous QD front and rear sling swivel connectors
• Hard coat anodized for optimal wear resistance
• Replace your standard handguard, simple installation, secured by 4 bolts
• Rail system firmly locks to the barrel nut and front handguard cap
• Perfect alignment with the receiver, secured with anti-rotation locking tabs
• No gunsmith required

Carbine Length M16 models and variants without gas block.