Does anyone know what barrel profile the CCU mid length is? Is it lightweight or mid weight? Trying to figure that out. Thanks!
https://www.m4carbine.net/showthread.php?194151-Review-Questions-on-Colt-CCU
https://www.m4carbine.net/showthread.php?196337-My-new-Colt-LE6960-CCU-Colt-Combat-Unit-Carbine
https://www.m4carbine.net/showthread.php?204617-Colt-CCU
https://www.m4carbine.net/showthread.php?209726-Barrel-Contour-on-DD-Lightweight-and-Colt-CCU