Specifications: Brand: Airsoft Masterpiece : Build: Aluminum alloy: Compatibility: Tokyo Marui Hi-Capa Airsoft Pistols: California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. Get them while you can! The Airsoft Masterpiece slide makes installing parts a breeze since most of the parts are dropped into the slide; some installation of aftermarket products might take some fitting so be sure to contact your local gunsmith for advice. EDGE Custom "NORRIS" Aluminum Standard Slide for Hi-CAPA/1911