https://www.ebay.com/itm/404444248028?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=2luzCe5vS26&sssrc=4429486&ssuid=XJKP-RUGQUq&var=&widget_ver=artemis&media=COPY This is the kit you will need if you remove the moderator. If you don't use this there will be nothing to hold the barrel shroud in...