Old Fuff, I apologize if this is nitpicking, but the 32 automatics Colt made specifically for the armed forces (as opposed to the ones that were in stock at Colt at the time of Pearl Harbor) did differ in one way besides the parkerized finish and the US Property markings: they were fitted with Colt 1911 style front and rear sights. For this reasons, Colt 1903 collectors usually refer to them as a "Type 5".
I rather doubt they will bother to fit these new guns with two different types of sights, though, so you are probably correct when it comes to these guns. Of course, it might save them a little money to buy GI 1911 style sights in the aftermarket rather than make 1903 style sights themselves.