THE BASIC PRINCIPLES OF COLT COMBAT UNIT RAIL GUN 45

Wound up with that higher and It really is chrome bore barrel down the road.  I feel It is really an A1E1 from some nomenclature I saw but not sure as I've never ever observed Yet another a single. I figured this was designed within the time of merchandise advancement towards the M16A2 ?. I can perform photos  if asked for .... nicely I attempted