Delta Ring w/ Gas Tube hole for TM M4A1?

[thePiRaTE!!]

Hey there. I was wondering if anyone knows of any (or has any) after market Delta rings that featured a hole for a gas tube similar to whats on the TM S-System, but for a standard M4. I'd need the gas tube as well. I notice there is a hole for a gas tube on the Hurricane V3 metal body I have, so I'm thinking it should help to keep the delta ring from turning itself loose, as it seems to do. And its aesthetically pleasing inside an ARMS SIR :wink:

Thanks for tips.