This manual covers the operation and maintenance of the M107 Sniper Rifle. The manual itself is divided into six chapters, including supporting information. The six chapters and what they contain, are found in the Table of Contents in the front of this manual. For example, to learn about operating the M107 Sniper Rifle, you would look in the table of contents and discover that Chapter 2 provides all pertinent information about the operation of the M107 Sniper Rifle. Since Chapter 2 covers a great deal of information, you will have to scan the chapter to find the specific information you will need. The chapters are: INTRODUCTION; OPERATOR INSTRUCTIONS; Troubleshooting Procedures; MAINTENANCE INSTRUCTIONS; AMMUNITION MAINTENANCE INSTRUCTIONS; SUPPORTING INFORMATION. Full of great detail, easy to follow with pictures.