The “girls with guns” (GWG) trope—depicting armed, action-capable female characters—has evolved from a niche cinematic spectacle into a global transmedia phenomenon. Spanning film, television, anime, video games, and comics, this archetype challenges traditional gender roles while simultaneously being commodified for visual spectacle. This report analyzes the historical development, key media representations, narrative functions, critical debates (empowerment vs. fetishization), and commercial impact of GWG content.