Front and rear low profile height sights mount onto 1913 mil-std mil-std picatinny rails.Rear sight has a dual aperture rear peep sight with an adjustable windage knob.Front sight has an adjustable front sight post with an adjustable elevation knob.Flip-up design with heavy duty springs and enhanced with precision machined metal parts.Impact resistant, durable, reliable, and a lightweight design.Made of high quality polymer and precision machined metal.All mounting hardware included.Frame Material: PolymerFirearm Fit: AR-15Style: Flip Up Back UpWindage Adjustment: AdjustableElevation Adjustment: AdjustableFirearm Type: AR Platform