Since there has been some recent talk about the M2, I found the same seller on gunbroker and ebay with different names selling this M2 housing as USGI. Is he legit or just another humper of repops?
M1/M2 Carbine Trigger Housing - M2 Version : Other at GunBroker.com
M1/M2 Carbine Trigger Housing - USGI | eBay