Tiger Rock Tacitcal 45 Degree Offset Fixed Front and Rear Sight Black. These back-up sights are designed to be lightweight easy to use and durable. They attach to Picatinny/Weaver style rails via a 45 degree angled mounting base allowing for seamless quick transition between primary optics and backup sights. Both of the sights are stationary and do not flip-up eliminating a step in the transition between optics. Capable of full windage and elevation adjustment they're finished in a non-reflective matte black and constructed from 6061-T6 aluminum. Specifications for Tiger Rock Tacitcal 45 Degree Offset Fixed Iron Sight: Manufacturer: Tiger Rock Color: Black Sight Position: Front and Rear Deployable: No Fabric/Material: Aluminum Front Sight Color: Black Rear Sight Color: Black Hand: Right Sight Mounting Orientation: Offset Mount Type: Picatinny Attachment Type: Picatinny Condition: New Features of Tiger Rock Tactical 45 Degree Offset Iron Sights Back-Up Rapid Transition: 45 Degree angled mounting base 6061-T6 aluminum construction Non-reflective matte black finish Fits: Picatinny/Weaver rails Package Contents: Tiger Rock Tactical 45 Degree Offset Iron Sights Back-Up Rapid Transition Tiger Rock RS010: Tacitcal 45 Degree Offset Fixed Front and Rear Sight Black