Description PRODUCT DETAILAll steel construction Steel, rectangular sight post selectable between Match and Standard widths .040in Match width for increased precision .060in Standard width for maximum visibility Case hardened and finished with Melonite QPQ for extreme resistance to wear and corrosion Mounts on any MIL-STD-1913 Picatinny/STANAG 4694 rail including receiver-height gas blocks Elevation adjustment knob - no tools required Positive detents in both the up and down positions as well as on the elevation knob Standard AR sight height when deployed NOTE: All MBUS Pro Front Sights now come factory-equipped with the Enhanced Front Sight Post. There is no need to order one separately unless you are retrofitting an older MBUS Pro front sight. Enhanced Front Site Posts are not compatible with standard MBUS polymer sights.