The DOS Dayscope Adapter for 1x21 Challenger NV Monocular from Pulsar 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.
- Reducer Rings
- Includes rings to fit 36, 38, 40, 42, 44mm dayscopes