This book carefully selects nearly a hundred famous firearms from various countries around the world. It provides a detailed introduction to each firearm's research and development history, comprehensive performance, main advantages, weapon characteristics, etc., And has accurate technical data tables. By reading this book, readers can have a comprehensive understanding of the development of modern firearms. This book has a rigorous content structure, thorough analysis and explanation, and exquisite and rich pictures. It is not only suitable for reading and collection by military enthusiasts, but also can be used as a popular science book for teenagers.