The XCM stands for Xtender Case Mod and is available in 5 colors (Crystal Blue, Silver, Crystal Clear, Black and Red). Each case is of the highest quality and features a unique 'XCM' indent logo.
Most powerful FPX gaming gear! Simply map 4-5 buttons together to execute the special function like auto aim, burst, drop aim, drop shot, jump aim, jump shot, quick scope change and many others to any button you like with merely one click to complete the mission.