The URX6 handguard system is notably resistant to shift from impact, while also easily replaceable. The KAC E3.2 bolt improves upon the durability and functionality of our renowned …

Lightweight and military-tough, the KAC URX rail for sale is available in a configuration to fit your specific rifle setup with state-of-the-art engineering throughout every inch of its design.

The KAC URX III Rail is a free floating, fully modular replacement forend for the AR-15 platform. Unlike traditional quad rail designs, the URX III incorporates short sections of M1913 Picatinny …

Knights Armament Co.'s URX III 8" Rail Forend Assembly is a free floating" fully modular replacement forend for the AR-15 platform. Unlike traditional quad rail designs" the URX III …

URX 4 Rail is an example of KAC’s drive to innovate and manufacture intelligent solutions for the modern shooter. The URX 4 Rail is our first Keymod-accessory-compatible system, as well as …