Samson Top Mounted Deployable Front and Rear Sight for Picatinny Black FXF-FXR PKG. If you're looking to make this change the Samson Fixed HK Front/A2 Rear Sight Set is an excellent choice. These iron sights attach to any mil-spec 1913 Picatinny rail system giving them incredible versatility. Made for same-plane gas block systems these aperture sights give you a clear target picture and allow you to aim the weapon and switch targets quickly so that you can take follow-up shots and remain engaged. Grab some today to outfit your rifle Specifications for Samson Top Mounted Deployable Iron Sight for Picatinny: Manufacturer: Samson Color: Black Additional Features: M4 Co-Witness Condition: New Sight Mounting Orientation: Top Mounted Sight Position: Front and Rear Gun Model: AR-15 Gun Make: AR Platform Front Sight Color: Black Rear Sight Color: Black Deployable: Yes Fabric/Material: Aluminum Front Material: T-6061 Aluminum Illumination Type: Non-Illuminated Gun Type: Rifle Included Accessories: Standard Illumination Color: None Hand: Ambidextrous Mount Type: Picatinny Attachment Type: Picatinny Features of Samson Fixed HK Front/A2 Rear Sight Set: Attaches to any 1913 Picatinny rail Perfect (M4) Co-witness height Stainless steel clamp Precision laser engraving Package Contents: Samson Fixed HK Front/A2 Rear Sight Set What firearm models does the manufacturer say Samson Top Mounted Deployable Iron Sight for Picatinny is compatible with? The manufacturer says that Samson Top Mounted Deployable Iron Sight for Picatinny is compatible with AR-15Samson FXF-FXR PKG: Top Mounted Deployable Front and Rear Sight for Picatinny Black