Williams™ Aperture Twilight 3-8" Diameter with .050 Hole - 1435

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Williams™ Aperture Twilight 3/8" Diameter with .050 Hole 

Williams™ Aperture Twilight 3/8" 1435 are designed to be used on Williams™ Redfield and Lyman receiver sights. The Williams™ Aperture Twilight 3/8" 1435 creates a sharp contrast that gives quick definition to the aperture. It is important to note the following when choosing the correct Aperture for your sight:


  • The fractional dimension is the outside diameter of the metal aperture.
  • The decimal dimension is the size of the hole drilled in the aperture used to aim.
  • Twilight apertures are specifically designed for low light situations.