THE GREATEST GUIDE TO COLT M16A1 FOR SALE

I've RIA drawings specifing barrel markings on a brand new USGI rifle and that marking will not be approved.    The "C" about the barrel would point out a chrome chamber only barrel. But AFAIK, Colt marked the "C" up close to the muzzle on their early barrels, not beneath the handguards. Pic of Front Sight Foundation is slightly fuzzy. I am able