Track crucial information about your weapon. This log book is designed for you to keep track of your cumulative rounds fired through your weapon and any maintenance performed on your weapon. Helps you keep track of the lifespan of your barrel. Maintenance pages let you track gunsmithing work or general maintenance on your weapon. The first page of the log book is for weapon specific information. It is followed by 10 pages of rounds fired tracking, 9 pages of maintenance forms, and 20 pages of notepaper for taking general notes. 40 pages total. Log book is made out of waterproof paper that you can write on when it gets wet. Works in ALL weather conditions. An excellent item for your range bag.