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 27 Smith & Wesson Model 27 The Smith & Wesson Model 27 is the original .357 Magnum revolver. It was first produced in 1935, and many versions of it are still in production today. The Model 27 was built on Smith & Wesson's carbon steel, large N-frame, and was available at various times with 3", 4", 5", 6" or 8" barrel lengths and had adjustable sights. When first introduced by Smith & Wesson in 1935, it was known as the Registered Magnum. The model was essentially a custom-order revolver. Barrel lengths could be had in quarter-inch increments from 3.5 to 8.75