Hunters, military enthusiasts, self-defense experts and target-shooting competitors alike will find favor with a reference devoted to a firearm touted as one of the best small caliber rifles ever invented. The Gun Digest Book of the AR-15 delivers details about the evolution of the rifle from its introduction to military action in the 1960s to its popularity at today's competitions and training centers. This book provides 500+ photos, details on function, barrel options, caliber, weight for various models, and an explanation of AR versus AK. In addition, tips on cleaning and maintenance, information about myths surrounding the AR-15, key legal information and results of product tests from today's major manufacturers are covered.