Polymer flip up front sight with standard iron sight elevation adjustment mounts onto a 1913 picatinny rail.Will accept any standard front post blade.Standard front sight tool is required with each click equaling the standard 1/4 (0.25) moa adjustment.Unlike other backup sights mft has developed a shroud that shelters the front post blade from debris and impact damage when not deployed.A slim profile allows the sight to sit under most optics.Type: Flip Up FrontFrame Material: PolymerFrame Color: BlackFirearm Fit: AR-15Base Configuration: Picatinny RailStyle: Flip Up Back Up SightFront Material: PolymerFront Color: BlackElevation Adjustment: 0.25 MOAFirearm Type: AR Platform