U.S. Optics Honeycomb Sunshade w/Anti-Reflective Device for B-17 Optic Matte Black Small. S. Optics Sunshade ARD (Anti-Reflective Device) is designed to block stray light from entering the objective and to reduce the reflection signature from the glare of the objective lens. This 2-inch sunshade is anodized with Type III Hard anodizing in matte black and screws directly into your objective for ease of use. Specifications for U.S. Optics Honeycomb Sunshades Anti-Reflective Device: Manufacturer: U.S. Optics Color: Matte Black Size: Small Condition: New Fabric/Material: Aluminum Quantity: 1 Finish: Type III Hard Coat Anodized Weight: 1 kg Gun Type: Universal Length: 3 cm Width: 3 cm Height: 3 cm Gun Make: Universal Gun Model: Universal Features of U.S. Optics Honeycomb Sunshade Anti-Reflective Device Fits B-10/B-17/B-25 2in Length Honeycomb Anti-Reflective Device Package Contents: U.S. Optics Honeycomb Sunshades Anti-Reflective Device What firearm models does the manufacturer say U.S. Optics Honeycomb Sunshades Anti-Reflective Device is compatible with? The manufacturer suggests that U.S. Optics Honeycomb Sunshades Anti-Reflective Device is compatible with UniversalU.S. Optics SUN-B17: Honeycomb Sunshade w/Anti-Reflective Device for B-17 Optic Matte Black Small