Kensight Flat Base Fiber Optic Front Sight Front Black. 100" Flat Base helps to draw the shooter's eye to the front post for quicker initial sight acquisition. This wide flat base manufactured by the experts at Kensight fits the 0.330"x 65 x 0.075" dovetail. With the Kensight Fiber Optic Front Sight 0.100" Flat Base you'll be able to locate your target in no time flat Specifications for Kensight Flat Base Fiber Optic Front Sight: Manufacturer: Kensight Color: Black Front Sight Color: Black Sight Style: Beveled Flat Base Fabric/Material: 4140 Chrome Moly Steel Size: One Size Sight Position: Front Package Contents: Kensight Flat Base Fiber Optic Front Sight Kensight 870265: Flat Base Fiber Optic Front Sight Front Black