AR15 Free Float Picatinny Quad Rail – fits AR15 with Carbine/M4 Length DI Gas System
One piece design mounts to included Barrel Nut and Free Floats over the barrel, accessories mounted onto FF Quad Rail will not affect rifle’s Zero.
Black Anodized Aluminum Construction
White T-Markings on the Quad Rails
Continuous Top Rail feature will match up with Upper Receiver Rail
Requires Low Profile Gas Block and the replacement of the GI Barrel nut and Delta Ring with the supplied Barrel Nut