Rubuta ci gaba don wannan sakin layi - Bayan nasarar da aka samu a cikin gwaji, rundunar soji ta amince da bindigar Colt a ranar 29 ga Maris, 1911, lokacin da aka sanya shi samfurin 1911, daga baya aka canza shi zuwa Model 1911, a 1917, sannan kuma M1911, a tsakiyar shekarun 1920. Darakta na Civilian Marksmanship ya fara samar da bindigogi na M1911 ga mambobin Ƙungiyar Ƙungiyar Ƙungiyar Ƙasa a watan Agustan 1912. Kimanin bindigogi 100 da aka buga "N.R.A". a ƙasa da lambar serial an ƙera su a Springfield Armory da Colt. M1911 ya amince da shi ta hanyar Navy da Marine Corps a 1913. An yi amfani da.45 ACP "Model na 1911 US Army" da sojojin Amurka da sojojin dakarun Amurka da sojoji a lokacin Amurka's Punitive Expedition
Mexico a kan Pancho Villa a shekara ta 1916.