rjmcgough Members Joined Jan 26, 2012 Messages 150 Reaction score 0 Aug 6, 2012 #1 Hey, Im currently in the process of turning my ICS M4A1 into an M16A3. I was just wondering what Ris unit will fit on an ICS M16A3 as I have heard about compatibility issues?
Hey, Im currently in the process of turning my ICS M4A1 into an M16A3. I was just wondering what Ris unit will fit on an ICS M16A3 as I have heard about compatibility issues?
