My Purpose with my Construct will be to A) Have a very historic gun with very good roll marks, B) Not commit "Colt Funds" within the venture. Certainly, I'm certain the upper receiver is Colt, combined with the BCG. It is admittedly the barrel that is certainly questionable to me. https://andregigcy.laowaiblog.com/30487327/5-easy-facts-about-colt-combat-elite-commander-45-acp-described