Kammala jumla mai zuwa: An yi tunanin Colt M1892 a matsayin bindiga mai kyau don lokacinsa, amma gunaguni da sauri ya tashi game da ikon dakatar da.38 Long Colts. Farawa a 1899, rahotanni na yaki daga
Yaƙin Philippines ya nuna cewa harsasai na.38 caliber sun kasa dakatar da mayaƙan Moro, koda lokacin da aka harbe su sau da yawa a kusa. Gunaguni ya sa Sojojin Amurka suka sake fitar da bindigogi na Colt Single Action Army wanda aka yi ritaya yanzu.45 tare da sabon bututun 51⁄2 ". Wadannan tsoffin doki na yaki sun dakatar da 'yan wasan da ke dauke da' yan wasan Kris da bolo kuma sun taka muhimmiyar rawa a cikin shawarar da sojojin suka yi na maye gurbin M1892 tare da sabon sabon sabis na revolver.45 a 1909. Har ila yau, ya taka muhimmiyar rawa a cikin shawarar da sojojin suka yanke na daukar bindigar Colt.45 ACP M1911. Model 1909 a cikin.45 Colt tare da ganga 51⁄2 "an karɓa daga rundunar sojan Amurka a matsayin" Model 1909 US Army ", da" Model 1909 US Navy "da" USMC Model 1909 ".