Countless books, articles, video series and even classes have been devoted to the subject of long-range shooting and the factory- or hand-loaded ammunition that's needed to achieve success. Many shooters can't agree on what distance constitutes ''long range,'' much less the specific steps and equipment needed for that first-shot hit or holding a tight group. While 600 yds. is considered long range by many, others consider it midrange. By disregarding shooter ability or rifle accuracy, and focusing on ammunition specifically, we can easily consider 500 yds., 600 yds.