USED Kensight Elliason Sight with Square Blade Black. This square blade sight from Kensight features precise click-adjustments that allow for reliable consistent point of impact changes. The Kensight Elliason Rear Sight w/ Square Blade is wire-EDM machined from 4140 chrome-moly steel that is then heat treated to a hardness of RC 38-40. The Kensight Elliason Rear Sight with Square Blade helps reduce glare and give you a clear picture for a clean shot. Please note this sight will NOT fit Colt Delta models or newer recreations of the Colt Gold Cup 1911. This does not fit the Colt Delta models or the New 2020 Colt Pythons/Snake Guns. Specifications for Kensight Elliason Sight with Square Blade: Manufacturer: Kensight Gun Make: Colt Gun Model: Colt National Match Colt Ace Colt Diamondback Colt Trooper Colt King Cobra Color: Black Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Features: Square Fully Serrated Blade Type Elliason / Accro-Style Sight Dovetail Elevation Adjustments Windage Adjustments 0.118" x 0.098" Blade Notch Dimensions 1.582" x 0.728" x 0.315" Sight Body Dimensions Package Contents: Kensight Elliason Sight with Square Blade What firearm models does the manufacturer say Kensight Elliason Sight with Square Blade is compatible with? The manufacturer suggests that Kensight Elliason Sight with Square Blade is compatible with Colt King Cobra Colt Trooper Colt Diamondback Colt Ace Colt National MatchKensight 850-301: Elliason Sight with Square Blade Black