Samson Same Plane Aperture Rear Sight Black. Accepts all aftermarket rear aperture replacements with Mil-spec dimensions. It is not intended for lower height gas block rails. The durable construction and solid mounting system guarantees you to stay on zero. Specifications for Samson Same Plane Aperture Rear Sight: Manufacturer: Samson Color: Black Additional Features: M4 Co-Witness Sight Mounting Orientation: Top Mounted Sight Position: Rear Gun Model: AR-15 Gun Make: AR Platform Front Sight Color: REAR SIGHT ONLY Rear Sight Color: Black Deployable: No Fabric/Material: 6061-T6 Aluminum Front Material: T-6061 Aluminum Illumination Type: Non-Illuminated Gun Type: Rifle Included Accessories: Standard Illumination Color: None Hand: Ambidextrous Mount Type: Picatinny Finish: Anodized Features of Samson Same Plane Aperture Rear Sight: Same Plane Aperture; Attaches to any 1913 Picatinny rail; Perfect (M4) co-witness height; Stainless steel clamp; Just over 0.5 MOA per click windage adjustment; Precision laser engraving Package Contents: Samson Same Plane Aperture Rear Sight The Samson Same Plane Aperture Rear Sight FXR-SP is a quality addition to the Samson lineup. For more great deals on AR 15 Parts by Samson please browse our Samson AR15 Accessories page. What firearm models does the manufacturer say Samson Same Plane Aperture Rear Sight is compatible with? The manufacturer suggests that Samson Same Plane Aperture Rear Sight is compatible with AR-15Samson 02-00045-01: Same Plane Aperture Rear Sight Black