ATN PS22-CGT Gen CGT Day/Night Vision Tactical Kit w/Leupold Mark 4 3.5-10x40mm Day/Night weapon sight kit with Leupold Mark 4 3.5-10x40mm scope and Gen CGT PS22 Night Vision Front Sight Night Vision mounts in front of daytime scope with no re-zeroing required and allows usage of daytime scope at night Multi-coated all-glass optics; fast catadioptic front lens system; large 40-millimeter eyepiece/ output window ATN CGT Image Intensifier Tubes provides guaranteed resolution of 45 to 54 lp/mm and signal-to-noise ratio of 15 to 20 This item is restricted for sale to the state of California and outside the US