to 639800. With only 500 guns produced, this is the rarest M19 version. This specific model 19-3 has a fixed sight and is pinned & recessed. It has a three inch barrel. Styles The Model 19 was produced in blued carbon steel or nickel-plated steel with wood or rubber combat grips, an adjustable rear sight, full-target or semi-target hammer, serrated wide target trigger or combat-type trigger, and was available in 2.5" (3": Model 66—rare), 4", or 6-inch barrel lengths. The weights are 30.5 ounces, 36 ounces, and 39 ounces, respectively. The 2.5- and 3-inch barrel versions had round butts, while the others had square butts. The Model 19 was produced from 1957 (first model number stampings) to November 1999. The Model 66 was produced from 1970 until 2005. The Model 66 differed by its use of stainless steel and its smooth target-type trigger. The Model 68 was a limited-production version of the Model 66 made for the California Highway Patrol and Los Angeles Police Department chambered in .38 Special with a 6" barrel. The Model 19 and the Model 66 had the same trigger options. One of the last variations of the Model 19 ordered for police use was the 2.5" Model 19-5, special ordered under SKU #100701 as the standard issue sidearm for Special Agents of the US Department of State's Diplomatic Security Service. This model featured a .400" wide, smooth "combat" trigger, Pachmayr Professional Compac rubber grips, and most notably a matte black finish instead of the common high-polished blue.The 2.5" barrelled Model 66 was carried by I&NS Special Agents until the mid 1990's when the agency adopted a .40 caliber semi-automatic pistol as its standard issue sidearm. Engineering changes were designated with a "dash-" number after the model number. The engineering changes are as follows: Model 19 variants Model 66 Model 68 Criminal use Two Model 19s, along with two Browning Hi-Power pistols, were used in the 1996 Dunblane massacre. This led to the enactment of Firearms (Amendment) Act 1997 and Firearms (Amendment) (No. 2) Act 1997, effectively banning handguns in the UK. References External links S&W M19 under S&W M&P revolver. Smith & Wesson revolvers Revolvers of the United States .357 Magnum firearms Police weapons Weapons and ammunition introduced in 1956