The Cyma M14 RAS Kit for AGM/CYMA/TM/ECHO1 M14 replaces the top heat shield above the barrel with a full functional rail interface system. In doing so it increases the potential of the standard M14 by allowing the user to attach aids like scopes and lasers. In addition to the functionality the RAS gives the AEG a more aggressive new look, it's just another great way to separate your M14 from the others out there $35 Plus shipping - $5 check out our other listings or visit our Facebook Page Aloha Outpost! 808outpost.com