The included factory letter lists this revolver as being chambered in .357 magnum with a three inch barrel, blue finish, and checkered walnut service stocks when shipped to Lew Horton Distribution Company, Inc. in Southboro, Massachusetts on February 18, 1988. One of 500 Combat Pythons produced exclusively for Lew Horton Distributing Company. Special roll mark of "COMBAT PYTHON/357 MAGNUM CTG." on the left side of the barrel along with standard markings and features.