COLT M16A1 FOR SALE FUNDAMENTALS EXPLAINED

For a abide by up query, what is the reciever colour for The present crop of marketplace A1 uppers floating around? Is it the basic "colt gray" or could it be far more of the green park?    The "C" to the barrel would suggest a chrome chamber only barrel. But AFAIK, Colt marked the "C" up close to the muzzle on their own early barrels, not undern