A compact handgun with a short barrel, typically two to three inches, and a rotating cylinder holding a limited number of exceptionally powerful cartridges defines this specific firearm category. The .454 Casull, .460 S&W Magnum, and .500 S&W Magnum are among the most potent chamberings available in such compact configurations, though compromises in recoil management and overall shootability often accompany the increased power.
The appeal of a small frame handgun chambered in a high-powered cartridge stems from the desire for significant stopping power in a readily concealable package. Historically, such firearms were favored by those needing a reliable sidearm in close-quarters situations, including law enforcement and those working in remote or dangerous environments. The evolution of these handguns has led to advancements in metallurgy and design, allowing for the containment of these potent rounds within smaller, more manageable platforms. This balance of power and portability makes them a compelling option for certain applications, despite the considerable recoil.