Bond Arms Backup Original 9mm Luger 2.50 in 2 Round Black Stainless Steel. The pistol features single action firing, and a 2.5-inch stainless steel double barrel. The pistol also features front blade and fixed rear sights, and a standard rubber grip. Bond Arms Backup Original 9mm Luger 2.50 in 2 Round Black Stainless Steel - Handgun Semiauto Center Fire at Academy Sports