Carbine Length M16 Extended Aluminum Quad Rail System

The NFR EX Aluminum Quad Rail System provides an extended M4 handguard upgrade enhancing 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
  • 7 quick detach sling swivel sockets for secure & versatile slinging options
  • Matte black hard coat anodized for optimal wear resistance
  • Rail system firmly locks to the barrel nut and over the front handguard cap
  • Perfect alignment with the receiver, secured with anti-rotation locking tabs
  • Quick and easy installation, no Gunsmith required


  • Carbine Length M16 models and variants with a barrel length of 14” or longer and without a gas block.

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