NcSTAR Picatinny High Profile Mounted Deployable Front and Rear Sight Set Black. 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. Specifications for NcSTAR Picatinny High Profile Mounted Deployable Sight Set: Manufacturer: NcSTAR Color: Black Condition: New Sight Mounting Orientation: Top Mounted Sight Position: Front and Rear Gun Model: M4 AR-15 Gun Make: AR Platform Front Sight Color: Black Rear Sight Color: Black Deployable: Yes Fabric/Material: Polymer/Metal Front Material: Polymer/Metal Base/Mount Type: Top Rail Mount Height: 1.3 in Length: 2 in Blade Height: 1.36 in Illumination Type: Non-Illuminated Gun Type: Rifle Carbine Illumination Color: None Hand: Ambidextrous Finish: Polymer Features of NcSTAR Picatinny High Profile Mounted Deployable Sight Set Front And Rear High Profile Height (Standard 1.5In Ar 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; Package Contents: NcSTAR Picatinny High Profile Mounted Deployable Sight Set What firearm models does the manufacturer say NcSTAR Picatinny High Profile Mounted Deployable Sight Set is compatible with? The manufacturer suggests that NcSTAR Picatinny High Profile Mounted Deployable Sight Set is compatible with AR-15 M4NcSTAR VG167: Picatinny High Profile Mounted Deployable Front and Rear Sight Set Black