Pulsar DOS Dayscope Adapter for 1x20 Challenger Night Vision Monocular

The Pulsar DOS Dayscope Adapter for 1x20 Challenger Night Vision Monocular is a night vision accessory used to mount the monocular behind a day riflescope. The adapter includes reducer rings that allow mounting to riflescopes with a 36 to 44mm eyepiece diameter. A built-in Weaver rail is meant to accommodate a long-range infrared illuminator to suit the focal length of the day optic.