The GM 79 Grenade Launcher is a robust, military-grade weapon with a compact, yet powerful design. It features a cylindrical barrel with a matte black finish, showcasing subtle wear and scratches from heavy use. The body is primarily constructed from durable, dark-colored metal with rubberized grips for stability, and includes a simple iron sight for aiming. The launcher has a distinctive break-action mechanism for loading, with visible mechanical parts that add to its realistic, utilitarian aesthetic.