The S&W Sigma — known across its generations as the SW9F, SW40F, SW9VE, SW40VE, and commonly marketed simply as the Smith & Wesson Sigma pistol — is a polymer-framed, striker-fired defensive handgun ...
The S&W 5906 is a full-size, all-stainless-steel 9mm pistol featuring a 4-inch barrel, 15+1 capacity, and a DA/SA action that made it one of the most iconic American police sidearms of the 1990s.