This specific cartridge is a centerfire revolver round developed in the late 19th century. Originally intended for short-barreled, easily concealable revolvers, it offered a balance of power and portability. A typical load propels a lead bullet weighing around 200 to 246 grains.
The compact size of the firearms chambered for this ammunition made them popular for personal defense and as backup weapons for law enforcement. This cartridge filled a niche for a powerful yet manageable handgun round suitable for close-quarters encounters. Its historical significance is tied to the era of pocket revolvers and the changing landscape of law enforcement and civilian self-defense practices. Though less common today, its impact on firearms development remains notable.