The Carbine in BioShock Infinite features a sleek, Art Deco-inspired design with steampunk elements, including brass fittings and intricate engravings. Its body is primarily metallic with a polished finish, accented by wooden grips for a classic yet futuristic look. The weapon boasts a symmetrical, elongated form with a compact barrel, showcasing a blend of functionality and ornate decoration typical of the game's aesthetic.