Hey guys, I was hoping you could help me out with this. I'm hoping of putting a TM high mount base with a pro red dot sight(found on den trinity website) forward of the carry handle. To get the idea of what I'm saying, follow the link below:
http://www.americasarmy.com/operations/ ... hp?weap=m4To do this, can I get the regular M4A1 or do I need to get the M4 RIS? Thanks for the help.
