The Crosman model "160" Pellgun is one of the most famous of all American air guns. Today, it is still considered to be one of the finest air guns ever made. A reproduction of the model 160, the QB-22, is made today in China. This book contains a historical background of Crosman and how this incredible air gun came to be developed. Little known details about Crosman marketing are included. Complete with original Crosman product photographs, factory tour, training programs, and much more. All the original Crosman factory manuals, technical bulletins, and select Engineering Parts Drawings not included in any other publications. Also included in the exclusive inside story of how the famous MAC-1 air gun shop, located in Los Angeles, assisted in the development of the QB-22 and also the full story about their "Steroid" power and accuracy treatments.