THE GREATEST GUIDE TO COLT M16A1 FOR SALE

Wound up with that upper and It is chrome bore barrel down the road.  I feel It is an A1E1 from some nomenclature I saw but undecided as I've hardly ever noticed A further a single. I figured this was manufactured within the time of merchandise enhancement on the M16A2 ?. I can perform pictures  if requested .... nicely I tried, but This web site