Knight’s Armament Co URX 4 Teaser Trailer
Knight’s Armament Co. (KAC) has released a teaser trailer for its new URX 4 free-float handguard. The URX 4 features the Keymod mounting system, continuous Picatinny top rail and an Integrated Barrel Nut (IBN). The IBN system torques the rail onto the weapon, and allows the rail to act as the barrel nut. In conjunction with the URX 4 KAC is developing a host of Keymod accessories including irons sights and panel kits.