Tiger Rock 45 degree Small Offset Deployable Front and Rear Sight Black. 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. They can be activated by a push-button on the left side. 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 45 degree Small Offset Deployable Iron Sight: Manufacturer: Tiger Rock Color: Black Sight Position: Front and Rear Deployable: Yes Fabric/Material: 6061-T6 Aluminum Front Sight Color: Black Rear Sight Color: Black Hand: Ambidextrous Sight Mounting Orientation: Offset Mount Type: Picatinny Attachment Type: Picatinny Condition: New Features of Tiger Rock .223 Flip Up 45 Degree Front and Rear Sight Side button flip-up mechanism 45 Degree angled mounting base Non-reflective matte black finish Package Contents: Tiger Rock .223 Flip Up 45 Degree Front and Rear Sight Tiger Rock RS018: 45 degree Small Offset Deployable Front and Rear Sight Black