My objective with my Develop is usually to A) Have got a historical gun with fantastic roll marks, B) Not spend "Colt Revenue" to the undertaking. The "C" on the barrel would suggest a chrome chamber only barrel. But AFAIK, Colt marked the "C" up near the muzzle on their https://coltcombatunitrailgun4579909.glifeblog.com/30458157/the-fact-about-colt-combat-unit-rail-gun-45-that-no-one-is-suggesting