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.
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)