11×71mm
The 11×71mm is a firearm cartridge. Information regarding this specific cartridge is scarce in widely available public documentation, making it difficult to ascertain its origin, intended use, or prevalence. Cartridges of this general dimension, with a bore diameter around 11mm and a case length of approximately 71mm, could potentially be used in various types of firearms. These might include historical military service cartridges, specialized hunting ammunition, or experimental designs. Without further context or a recognized designation, it is challenging to provide a detailed history or technical specifications. The absence of common knowledge about the 11×71mm suggests it may not have been a widely adopted or mass-produced round, or it might be known by a different, more common designation. Further research into specialized firearms archives or historical ammunition catalogs might yield more specific details about its development and application.