Firearm. History of Firearms, Celebratory Gunfire, Antique Guns, Firearm (Tool), Cartridge (Firearms), Firearm Action, Gunsmith, Physics of Firearms, Telescopic Sight, Suppressor, Gauge (Bore Diameter), Rheological Fluids Based Firearms Mechanisms, Revolver, Bolt Action, Lever-Action, M1911 Pistol, Break-Action, Winchester Model 1897, Article Sources and Contributors, Image Sources, Licenses and Contributors