PTOOMA Productions. 8½" x 11". Softbound. Over 300 pages and over 400 photos. Tells you everything you ever wanted to know about Glock pistols with photographs, diagrams, and technical specifications. Detailed chapters cover topics such as safety devices, field-stripping, cleaning, function testing, performance and customization, and more. Included is a torture-test of a Glock G23 pistol, subjecting it to ice, dirt, mud, water, and other extreme test conditions. A report of how the pistol survived is given after each test. Also included are diagnostic checklists and serial number listings. An invaluable resource for the Glock enthusiast and gunsmith. Includes all models through G43.