Kensight Bomar BMCS Rounded Blade Adjustable Target 1911 Rear Night Sight Set w/Tritium Bar-Dot-Bar Black. This makes it ideal for competition shooting i.e. Bullseye. Fits certain model Charles Daly Para-Ordnance Springfield Armory Nowlin Olympic Arms and High Standard 1911 slides with adjustable sight cut. This rear sight comes paiRed with our flat base fiber optic blade front sight which incorporates a bright fiber optic rod that draws the shooter's eye to the front post for sight acquisition and recovery. This flat base is ideal for those with a flat-topped slide or for those intending to file and blend the front sight base to match the contour of their pistol's slide for seamless installation. Wire-EDM machined from 4140 chrome moly steel and heat treated to a hardness of RC 38-40 this front sight is definitely going to withstand the test of time. This sight comes with a 0.100'' wide blade that is partially serrated. the Fiber optic rod is 0.060 inch in diameter and is well shielded while also offering superior visibility. Compatible with Novak type front sight dovetail cuts (0.330" x 65 x 0.075") as typically found on both customized and factory 1911 pistols. Specifications for Kensight Bomar BMCS Rounded Blade Adjustable Target 1911 Rear Night Sight Set w/Tritium Bar-Dot-Bar: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: 1911 Color: Black Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Illumination Type: Tritium Illumination Color: Orange Mount Type: Dovetail Package Contents: Kensight Bomar BMCS Rounded Blade Adjustable Target 1911 Rear Night Sight Set w/Tritium Bar-Dot-Bar Kensight 980-028: Bomar BMCS Rounded Blade Adjustable Target 1911 Rear Night Sight Set w/Tritium Bar-Dot-Bar Black