Delta V Athena Red Dot Sight Mount Smith & Wesson M&P 2.0 Holosun 509T. These adapter plates allow for the mounting of a variety of red dot optics to a plethora of host platforms. Each part is inspected with calibrated precision measuring tools and checked against a model print to maintain the tightest tolerances. Specifications for Delta V Athena Smith & Wesson Red Dot Sight Mount: Manufacturer: Delta V Finish: Copper Phosphate Gun Make: Smith & Wesson Gun Type: Pistol Fabric/Material: 4140 Alloy Steel Package Contents: Delta V Athena Smith & Wesson Red Dot Sight Mount Delta V AP-SW-003-A: Athena Red Dot Sight Mount Smith & Wesson M&P 2.0 Holosun 509T