No, because the last thing we want to do is provide the humpers and fakers with a handy-dandy reference source of genuine items so they can correct the flaws in their "products", making fakes even harder to detect.
If you have a question about the authenticity of an item the best thing to do is post pictures here and ask for opinions.
Before investing time and money downgrading your carbine to its World War II configuration -- remember, changes such as the adjustable rear sight, bayonet lug, flip safety, later magazine catches and operating slides etc. were "upgrades" that improved the function of the carbine -- perhaps it's worth considering if the end result justifies the time and expense Does anybody else like late model features? - Military Surplus Collectors Forums