NFR M5 Fab Defense M5 Aluminum Rail System

SKU: fx-nfrm5 Category:

The NFR-M5 is the top quality Carbine LENGTH M5 (AR15 Midlength) Aluminum Rail System replacement for enhancing your end Rail system.





  • Rail System Firmly locks to the Barrel Nut and Front Handguard Cap
  • Slim Profile for Better Grip and Handling of the Firearm
  • 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
  • Replaces your Polymer Handguards, Secured by 4 Bolts
  • No Gunsmith Required
  • System Aligns Perfectly with Upper Receiver Rail
  • Receiver Alignment is Achieved by Implementation of Anti-rotation Locking Tabs


  • Weight 380 gr
  • Width 55 mm
  • Height 60 mm
  • Length 231 mm


Additional information




Manufactured at

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