KAC

Knights Armament Company

Knights Armament Company URX 4 556 Rail - 8.5", MLOK Rail Adapter System, Includes Shim Set and Wrench, Black Finish

The KAC URX 4 Forend Kit is a fully modular design that utilizes the revolutionary M-LOK accessory mounting system. The URX 4 Rail is stronger and more stable than previous URX designs due to its one-piece construction. It is also lighter due to its...