👉 The Klein weapon, often referred to as the Klein Karabiner 98k or K98k, is a compact, high-quality military-issue service weapon that was widely used by various armed forces, especially in Europe during World War II and the Cold War. It is a 9mm submachine gun designed for portability and ease of use in trench warfare and urban combat. The weapon features a compact, slide-action design, a detachable cylinder for ammunition, and a robust, ergonomic grip. Its small size and lightweight make it ideal for soldiers needing to carry multiple weapons without adding significant weight to their gear. The Klein weapon's reliability and effectiveness in close-quarters combat earned it a prominent place in military arsenals.