Contessa Picatinny Rails - Hardened Steel 0 MOA Black Browning X-Bolt - Long. Available with 0/10/20/30 MOA for long distance shooting. NATO Rail/Grabber Interface Specifications for Contessa Browning Hardened Steel Picatinny Rails: Manufacturer: Contessa Color: Black Fabric/Material: Hardened Steel Gun Rail: Picatinny Gun Type: Rifle Gun Make: Browning Quantity: 1 Features of Contessa Browning Hardened Steel Picatinny Rails Contessa Picatinny rails in hardened steel with are machined from solid designed to guarantee stability and long-term resistance. Screws and wrench for mounting supplied. Package Contents: Contessa Browning Hardened Steel Picatinny Rails Contessa PH44: Picatinny Rails - Hardened Steel 0 MOA Black Browning X-Bolt - Long