Dee ihe na-aga n'ihu maka paragraf a - N'ịgbaso ihe ịga nke ọma ya n'ule, ndị agha nabatara egbe Colt na March 29, 1911, mgbe a họpụtara ya dịka Model nke 1911, emesịrị gbanwee ya na Model 1911, na 1917, wee bụrụ M1911, n'etiti afọ ndị 1920. Onye isi oche nke Civilian Marksmanship malitere imepụta egbe M1911 maka ndị otu National Rifle Association na August 1912. Ihe dị ka egbe 100 a na-akpọ "N.R.A". n'okpuru nọmba usoro a na-emepụta na Springfield Armory na Colt. Ndị agha mmiri na ndị agha mmiri nke United States nakweere M1911 n'ụzọ iwu na 1913. .45 ACP "Ụdị nke 1911 US Army" bụ nke ndị agha US Army na ndị agha na-agba ịnyịnya na ndị agha na-agba ịnyịnya na-eji n'oge United States' Punitive Expedition
Mexico megide Pancho Villa na 1916.