Sniper Top Mounted Deployable Front and Rear Sight Gas Block Level Front Sight Height Black. Handguard Level - Both receiver height. Gas Block Level Front Sight - Front sight is taller than normal and will mount on a low profile railed gas block (LOWER than receiver level). E.g. DPMS Oracle. Specifications for Sniper Top Mounted Deployable Front and Rear Sight: Manufacturer: Sniper Color: Black Condition: New Sight Mounting Orientation: Top Mounted Sight Position: Front and Rear Front Sight Color: Black Rear Sight Color: Black Deployable: Yes Fabric/Material: Aluminum Hand: Ambidextrous Mount Type: Picatinny Package Contents: Sniper Aluminum Flip-Up Backup Sight Set Sniper MFLFS01+MFLRS01: Top Mounted Deployable Front and Rear Sight Gas Block Level Front Sight Height Black