Combined with the Challenger GS 1x20 NV monocular adapter allows use of soft air guns with a day optical riflescope for night shooting. The reticle of the riflescope is perfect for aiming. The adapter comes equipped with reducing rings to affix the night vision device onto day riflescope and provides the benefit of various eyepiece diameters. To increase brightness of the image and range of shooting, additional Pulsar IR Flashlight can also be affixed on the adapter.