Spikes Tactical Top Mounted Deployable Rear Sight Black. These AR 15 Parts developed by the pros at Spikes Tactical feature a sliding dual peephole that offers a smaller or larger hole for aiming depending on your preferences. Another great feature of the Spikes Tactical Gen II Micro Rear Rifle Sight is that you can adjust the windage without any tools ensuring you don't need to lug around extra gear. The 7075 T6 aluminum construction is incredibly durable and a Type III hardcoat anodize protects your sight from the elements. Stay on target with every pull of the trigger by installing this Spikes Tactical Gen II Micro Rear Low-Profile Sight onto your favorite firearm. Specifications for Spikes Tactical Top Mounted Deployable Iron Sight: Manufacturer: Spikes Tactical Color: Black Condition: New Sight Mounting Orientation: Top Mounted Sight Position: Rear Rear Sight Color: Black Deployable: Yes Fabric/Material: Aluminum Hand: Ambidextrous Mount Type: Picatinny Country of Origin: USA Attachment Type: Picatinny Features of Spikes Tactical Gen II Micro Rear Folding Sight: Material: 7075 T6 Construction Finish: Type III Hard Coat Anodize Dual Sliding Aperture Very Low Profile Tool-less Windage Adjustment T25 Cross Bolt 4140 Chromoly Billet Small Parts Black Nitride Finish Package Contents: Spikes Tactical Gen II Micro Rear Folding Sight Spikes Tactical SAS81R1: Top Mounted Deployable Rear Sight Black