Will this work on the gun? http://echo1usa.com/English/index.php?main...c3ff928e2a641b7
Also I found this video. Is it applicable? Thoughts, comments? He stops just short of removing the inner barrel. Does it just slide out of the "upper receiver" near the end of the video or is there more disassembly required?
http://www.youtube.com/watch?v=WVn2MIWPwFg...feature=related