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 M76 to the reorientation of the extractor and the Stemple receiver tubes have an inside diameter that is slightly larger than that of an original S&W M76, requiring two sleeves that act as bearing surfaces to be placed on the bolt to take up the extra space inside the receiver. During 2001 the Tactical Weapons Company of Arizona was engaged to manufacture the parts and receivers for a weapon that would be marketed as the Omega 760 carbine, a semiautomatic-only copy of the Smith & Wesson Model 76. Initial sales of the Omega 760 were brisk but quickly dropped off. The