Great Colt SAA original Blued 4 3/4" barrel with Colt address on top, and left side states: COLT SINGLE ACTION ARMY .45 . Bore is okay , with recent surface corrosion, not pitted and threads are good.Blue finish shows wear at the muzzle.Has a number 170 under ejector tube. Good front sight, and ejector stud. This appears to be a 2nd generation barrel and is good for both a 1st, and 2nd gen. gun!Check my other listings for great Colt SAA parts! . With the widest selection of older guns at great prices, We don’t have a store, and sell on the internet only. We don’t have a site. OUR DESCRIPTIONS ARE ACCURATE.THREE DAY INSPECTION ON ALL PURCHASES.