Smith & Wesson increased scrutiny due to the frequent use of its firearms in mass shootings such as the 2018 Stoneman Douglas High School shooting, in which 19-year-old Nikolas Jacob Cruz used a Smith & Wesson AR-15 style rifle, the semi-automatic M&P15. The same weapon was used in the 2015 San Bernardino attack and the 2012 Aurora shooting. Smith & Wesson has produced revolvers over the years in several standard frame sizes. "M" refers to the small early Ladysmith frame, "I" to the small .32 frame, "J" to the small .38 frame, "K" to the medium .38 frame, "L" to medium large, and
Smith & Wesson Model 29 "Trail Boss" was produced for the distributor, RSR. Smith & Wesson Model 29 The Smith & Wesson Model 29 is a six-shot, double-action revolver chambered for the .44 Magnum cartridge and manufactured by the United States company Smith & Wesson. The Model 29 was offered with 3", 4", 5", 6", 6½", 8⅜" and, later, 10⅝" barrel lengths as standard models. Other barrel lengths were available either by special order from Smith & Wesson's Custom Shop or custom built by gunsmiths. The 5" barreled variant had a full length underlug. Finish options available included a highly polished blued or nickel-plated surface.