These are tough and great reflex sights that don’t have any electronics in them. Basically the ACOG of red dots.
https://www.kenziesoptics.com/produ...m=Email&utm_campaign=62c5d003ff69ea0022547301
https://www.kenziesoptics.com/produ...m=Email&utm_campaign=62c5d003ff69ea0022547301