Kensight TRT 1911 Squared Blade Sight Black. This square blade sight by the experts at Kensight fits certain model Charles Daly Para-Ordnance Springfield Armory Nowlin Olympic Arms and High Standard 1911 slides with an adjustable sight cut. The Kensight TRT 1911 Squared Blade Gun Sight is wire-EDM machined from 4140 chrome-moly steel that is then heat treated to a hardness of RC 38-40. The Kensight TRT 1911 Sight w/ Squared Blade is great for hitting the Bullseye making it ideal in competition shooting. Specifications for Kensight TRT 1911 Squared Blade Sight: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: 1911 Color: Black Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Condition: New Package Contents: Kensight TRT 1911 Squared Blade Sight What firearm models does the manufacturer say Kensight TRT 1911 Squared Blade Sight is compatible with? The manufacturer says that Kensight TRT 1911 Squared Blade Sight is compatible with 1911Kensight 860-052: TRT 1911 Squared Blade Sight Black