New release from MadBull that features the KeyMod rail system... "MadBull Airsoft, working alongside with Zshot Airsoft, is proud to present to you the KAA (Knight’s Armament Airsoft) URX4 forend Handgaurd. The URX4 rail is a unique accessory because of its integrated barrel nut and replica gas block tube, which are both simulation to real forms. Officially licensed by Knight’s Armament, it adds a variety of keymod accessories options as well as component placement for different angles.
