Airsoft Technology Self-Paced Training Series: Introduction to AK EBB AEG: Learn the basic power upgrade elements, with coverage on FET This training book has been developed from the ground up for beginners who know little about Airsoft AEG technology. As part of our Airsoft Technology Self-Paced Training Series, this book gives an introduction to the performance elements of a AK AEG. The primary goal of this book is to explain the various AEG performance concepts in very simple language. Review questions and answers are included to assess your airsoft knowledge. This 2012 edition includes coverage on the new APS FET device. We believe that this book and its support materials have everything you need for an informative, interesting, challenging and entertaining Airsoft educational experience. AirsoftPRESS technical books are written specifically for the do-it-yourselfer, yet are complete enough to be used by professional airsoft gunsmiths. Since 2005 AirsoftPRESS has produced technical books written from hands-on experience based on airsoft teardown with hundreds of photos and illustrations, making AirsoftPRESS the world leader in airsoft technical information.