Gehmann 597 ISSF Crossover Rear Sight Prism brand_-Knifewizard the Wally Sox is designed

the Wally Sox is designed for low-maintenance

so we recommend checking your measurements carefully before ordering

so it runs equally well on a single AA or CR123 battery — handy if you need to borrow batteries from another bit of kit in a pinch

It shares its 640x512px

rechargeable Li-ion battery and USB charging lead

Gehmann 597 ISSF Crossover Rear Sight Prism brand_-Knifewizard the Wally Sox is designedThe Gehmann 597 ISSF Crossover Rear Sight Prism lets a target shooter with a defective or weak eye on their natural sighting side shoot instead with their good eye, without changing their stance or which shoulder the rifle is held from. Fitted between the rearsight iris and the eye, the prism displaces the sight line by 65mm centre to centre, carrying the aiming eye's view through to the standard sight picture with no physical change to how the target