Kammala jumla mai zuwa: Bayan nasarar da aka samu a 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 of 1911 U.S. Army" da sojojin dakarun sojan Amurka da sojojin soja a lokacin yakin basasa na Amurka.
Tafiya ta azabtarwa zuwa Mexico a kan Pancho Villa a 1916.