ICS Class: Upper Gearbox Upgrade
OptimusPrime
12 Jun 2016
Now, a more intermediate user video by ICS Class where they teach how to assemble an Upper Gearbox Uprade. You can get these upgrade kits from your retailer or if they don't have it, tell them to stock some for you and other ICS users... "ICS Class teaches you how to assemble MA-54 / MA-56 Upgrade upper gearbox."