Kensight Elliason Target Adjustable Fiber Optic Pistol Sight 2020 Colt Python/Anaconda/King Cobra Rear Black. The rear sight body is Wire-EDM machined from 4140 Chrome Moly Steel that is then heat treated to a hardness of RC 38-40 and features precise click-adjustments that allow for reliable consistent point of impact changes. This Elliason rear sight is equipped with Fiber Optic target blade that is fully serrated to reduce glare. This provides a crisp uncluttered sight picture that helps a shooter to maintain focus on the front sight post. This sight is compatible with the new 2020 Colt revolvers that have the adjustable sight including the Colt Python Colt Anaconda and Colt King Cobra Target models. These sights do not fit any of the original Pythons or other Colt Revolvers made from 1955 to 1999. Specifications for Kensight Elliason Target Adjustable Fiber Optic Pistol Sight: Manufacturer: Kensight Gun Make: Colt Gun Model: Colt Anaconda Colt King Cobra Colt Python Color: Black Rear Sight Color: Black Fabric/Material: 4140 Chrome Moly Steel Sight Position: Rear Package Contents: Kensight Elliason Target Adjustable Fiber Optic Pistol Sight What firearm models does the manufacturer say Kensight Elliason Target Adjustable Fiber Optic Pistol Sight is compatible with? The manufacturer suggests that Kensight Elliason Target Adjustable Fiber Optic Pistol Sight is compatible with Colt Python Colt King Cobra Colt AnacondaKensight 850361: Elliason Target Adjustable Fiber Optic Pistol Sight 2020 Colt Python/Anaconda/King Cobra Rear Black