SightMark Anti-Reflection Honeycomb Filter for Wolverine FSR Black. When you're shooting on a dime you don't want any chances of telegraphing your position and a shot in the dark but with this red dot sight accessory you can stay hidden due to the honeycomb design that significantly reduces lens flare. The SightMark Wolverine FSR Red Dot Sight Filter is the perfect addition for any shooter who wants to decrease the glare that may occur while scanning through your red dot sight. Make your Mark. Specifications for SightMark Anti-Reflection Honeycomb Filter for Wolverine FSR: Manufacturer: SightMark Color: Black Condition: New Fabric/Material: Aluminum Finish: Matte Weight: 0.6 oz Fit: Wolverine FSR Red Dot Sight Gun Type: Rifle Features of SightMark Anti-Reflection Honeycomb Filter for Wolverine FSR: Covered by the Sightmark Limited Lifetime Warranty Package Contents: SightMark Anti-Reflection Honeycomb Filter for Wolverine FSR SightMark SM26020.001: Anti-Reflection Honeycomb Filter for Wolverine FSR Black