During the late 1890s and early 20th century, the Cavalry began trials to replace their 'sidearm' arsenal of issued .45 Colt Single Action Army (SAA) in favor of the more modern and versatile doubleaction revolver in .45 Colt.. After the example of the Cavalry, the Army in turn had fielded versions of doubleaction revolvers in .38 Long Colt and it was …
