IDF Aluminum Extended Rail System for Carbine Length Gas Systems for M4/AR-15

Slim-profile, compact rail system with extended rail to allow mounting of optics and accessories.

The NFR-EX rail system firmly locks to the barrel nut so mounted optics retain zero.

12.5" long.

Drop-in installation.

CNC machined hardcoated black anodized aviation-grade 6061 T6 aluminum.

See also NFR for carbine length AR weapon systems
See also NFR-M5 for mid-length AR weapon systems
See also NFR-RL for rifle length AR weapon systems

Weight         15.6 oz   (442 gr)
Width           2.17       (55 mm)
Height          2.36"      (60 mm)