During 1893, the .45 U.S. Colt Single Action Army revolver was retired by the Cavalry and replaced by the .38 caliber Colt Model 1892 Double Action Army revolver.
Colt Single Action Army, imenovan tudi Colt SAA, Colt Model 1873 ter Colt Peacemaker, je znan ameriški revolver zadnjak iz časov divjega zahoda.