Kensight Ellasion Replacement Elevation Screw Pistol Sight 6-64 Thread Black. This replacement elevation screw from Kensight is exclusive and may not work with Bo-Mar BMCS style sights not manufactured by Kensight. Specifications for Kensight Ellasion Replacement Elevation Screw Pistol Sight: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: 1911 Color: Black Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Additional Features: 6-64 thread and .340in. body Condition: New Mount Type: Dovetail Package Contents: Kensight Ellasion Replacement Elevation Screw Pistol Sight What firearm models does the manufacturer say Kensight Ellasion Replacement Elevation Screw Pistol Sight is compatible with? The manufacturer suggests that Kensight Ellasion Replacement Elevation Screw Pistol Sight is compatible with 1911Kensight 840110: Ellasion Replacement Elevation Screw Pistol Sight 6-64 Thread Black