Drop-in sights with genuine, Trijicon lamps feature polished quartz lenses, which make these sights the perfect upgrade for AK-47 rifles and variants used during low light periods. Sight bodies are EDM machined from rugged, 4140 steel, then heat-treated to Rc 38-40 and vacuum tempered to retain the extra-tight tolerances. Rear sight fits AK-47, Norinco 56S, Mak-90, and Polytech AKS variants. Fine line serrations on the rear blade surface help cut glare in bright light conditions. Features click adjustments for windage and uses standard issue, tangent rear sight increments for elevation adjustments.