With a bottom Picatinny rail and a weaver-style top rail, the Magnum Research Desert Eagle Mark XIX .50 AE Pistol with Muzzle Brake can be easily customized. It's made with a carbon-steel slide and barrel with a muzzle brake and a synthetic grip. A fixed 3-dot combat sight is already installed. Operates on a gas-powered, rotating bolt system with an ambidextrous safety lever. Magnum Research Desert Eagle Mark XIX .50 AE Pistol with Muzzle Brake - Handgun Semiauto Center Fire at Academy Sports