ICS m4 version 1, 2 or 3??
 

Can you tell me how to make the difference in the ICS m4 version 1-2-3??

The m4 is a full metal RIS will Olympic trademarks. I don't know if it help??

It is visible from the outside??

Thank for the Help

the m4, any armalite, uses a v2 mechbox. The ICS uses a special split mechbox that you can only get from ICS.

ICS M4's can use parts from other V.2 Mechbox's,it just some parts can only use ICS like the anti-reverse arm.I'v had my ICS M4 (second gen.) For two years and I usally use other parts for V.2 mechboxes.I have Systema gears,top power steel bushings,But use the MA-56 upper gearbox,and as far as I know the switches are the same.I'v heard,that the pistons are a little different,if anyone cares to shed some light on that one.As far as the differences with V 1,2,3,The latest versions have a thicker sidewall in the gearbox,steel bushungs,and th ICS turbo 3000 motor.I can't qwite recall the changes on the others,I'm sure they'll come to me when I log off lol !