， Fits onto Picatinny accessory rails such as RAS, RIS rails.
， Free rotating sling swivel stud built in is perfect for attaching to sling swivels
， Adapter body is made of aluminum alloy. Swivel stud is made of steel
， Anodized in matte black finish
， Wrench included
， Length of adapter: 1inch
， Weight: 1.2oz