AK47 AK47, the most famous assault rifle in the world, was first designed by Mikhail Kalashnikov in the Soviet Union. It becomes the most popular and favorite rifle in all armies including America for its so many features such as firm and simple structure. Advantage: firm body, low failure rate, high fire range, large damage, high accuracy of burst. Disadvantage: muzzle jump caused by large recoil lead to low accuracy of shooting. Heavy weight which will affect the walking speed. M4A1 M4A1, the M16 Carbine developed by Colt and U.S Marine corps in 1988, was named officially as the United States Carbine, Caliber 5.56mm NATO, M4 and was welcomed by special force armies and police from different countries. Advantage: high fire rate, less recoil, high accuracy, high flexibility, high stability and high mobility. Disadvantage: large need for ammunition caused by high fire rate, high rate of changing cartridges. AWP AWP stands for Arctic Warfare Police. It is special designed and manufactured by the British company PM for the law enforcement as opposed to military. In the Afghanistan War and Iraq War, British soldiers and military were equipped with this kind of guns. Advantage: high hit rate provides by the highest accuracy, highest damage leaves your enemy no time to breath Disadvantage: low fire rate, heavy weight leads to the lowest moving speed.