The ICS M4 with Concept Stock gets the video review treatment from the crazyNCman. The AEG is full metal and the concept stock may is not totally new as this is this the same stock that was first seen in ICS' first concept M4 AEG, the CXP-08 which is also available in full metal and the plastic sportline. This M4 does away the the CXP-08 full RIS handguard and goes back to the traditional M4 handguard.