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 15 Smith & Wesson Model 15 The Smith & Wesson K-38 Combat Masterpiece, Revolver Model 15 is a six-shot double-action revolver, with adjustable open sights, built on the medium-size "K" frame. It is chambered for the .38 Special cartridge and is fitted with a barrel, though additional barrel options have been offered at various times during its production. Originally known as the "K-38 Combat Masterpiece", it was renamed the Model 15 in 1957 when all Smith & Wesson revolvers were given numerical model numbers. It is a shorter barrel version of the Smith & Wesson Model 14 Target Masterpiece and essentially