Configuration is about identical to American 2nd Model. S&W made several internal changes to this model to satisfy the Russian government. Markings on this revolver are distinct. Caliber for which it is chambered, .44 S&W Russian, is different from the 2nd Model Russian. Approximately 20,000 Russian-Contract revolvers. Serial number range 1-20000. They are marked in Russian Cyrillic letters. Russian double-headed eagle stamped on rear portion of barrel, with inspector's marks underneath it. All contract guns have 8" barrels and lanyard swivels on the butt. These are rarely encountered, as most were shipped to Russia. Commercial run of this model numbered approximately 4,655. Barrels are stamped in English and include the words "Russian Model". Some are found with 6" and 7" barrels, as well as standard 8". There were also 500 revolvers that were rejected from the Russian contract series and sold on the commercial market. Some of these are marked in English; some, Cyrillic. Some have the Cyrillic markings ground off and English restamped. Manufactured from 1871 to 1874. Guns with Cyrillic barrel markings may bring up to 25% premium.