Colt Single Action Army
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A single action six shot revolving pistol designed for the U.S. government service revolver trials of 1872 by Colt's Patent Firearms Manufacturing Company and adopted as the standard-issued pistol of the U.S. Army from 1873 until 1892.
Transition to smokeless powder.
Colt did not factory warranty the revolver for smokeless powder until 1900 at about serial number 192,000. The Verified Proof did not show up until 1901. Colt Single Action Army revolvers with serials between 165,000 and 182,000 (1896 to 1898 production) are the most desirable, since they have steel frames (and are thus many consider safe to shoot modern smokeless loads), yet they are Federally exempt.
