aoshi 1 Posted September 19, 2013 (edited) which one is from which faction,CSAT and Nato use both in diferent weapons,I think the white one (arco) is better with mx, mxsw (withe weapons) and mk18 (that is in the wrong side)http://forums.bistudio.com/showthread.php?164786-mk-18-EBR&p=2509240#post2509240 And the rco (black one goes better with katiba and zafir "black weapons") Edited September 19, 2013 by aoshi Share this post Link to post Share on other sites