The Kiser Munitions Aperture's patent pending engineering can handle hard impact without major deflection. The unobtrusive design allows for constant availability without cluttering your sight picture.

7075 T6 aluminum with Type III hardcoat anodizing / 4142 steel worm, sight post, screw and clamp with black oxide finish / positive click 1/2 MOA windage adjustment with coin or case rim / unobtrusive design / 1.7 ounces!