From the rare single shot pistol manufactured at the turn of the century to the exposed hammer H.D. Military to latest competition grade models made by the New Hi-Standard Manufacturing Company of Houston Texas this AGI Armorer s Course covers them all in comprehensive detail. A fascinating look at one of the most successful 22LR Target pistols ever made the Hi-Standard has a very interesting history much of which is documented by AGI for the very first time. Other subjects covered include how to determine which method you must use to disassemble a particular model. Using the wrong method can result in permanent damage to the pistol! Also basic function and repair is covered along with trigger and safety adjustments.