The Popular M1911 Pistol Is Still So Popular The M1911 or M1911A1 is likely placed first in competition among the most popular pistols in the world. 1911 served the United States from 1911 to 1985. 1911 fought in the two world wars, i.e., a communist hunt in Vietnam, which Korea addresses, and it is still chugged with the specs ops into the war on terror. To know more: #M1911Pistol #Colt1911Handgun