Classic Army update their M4 Line-Up and coming back with the Colt Trademark perhaps with a new licensing agreement with Cybergun. What is shown in the video is the Classic Army Colt M4 Carbine, 2014 Spartan Version which Alex show a standard configuration 2014 M4 AEG where he shows that this is a rear-wired AEG with a Crane Stock. Also, the version 2 gearbox gets an update such as 9mm bearings and steel selector plate... "Alex of Spartan Imports provides a quick look at the new 2014 Pro-Line M4 by Classic Army.