It's the G&P MK14 Mod0 Conversion kit.
http://www.wgcshop.com/pcart/shopper...m=GP-KIT-CK007
Unfortunately, I don't have the case number anymore. I got it released last July. I didn't see any reason to keep the paperwork.
Anyways, the point of my post is that the risk of the hassle still remains. I'm sure you can get it appealed... but it's the legwork and formal letters that you have to write.