Knight's Armament URX (SR-15 Rifle).

Rail is approximately 12 1/2" long.

Free floats the barrel, bottom rail is removable.   Picatinny rails on all four sides allow endless possible mounting solutions for accessories such as sling mounts, vertical forearm grips, flashlights and more. The URX comes with three 11 rib panels to help protect the rails from damage.

Installation available, special tools required.

Includes Black Rail Covers, not as shown!