sentences:  Smith & Wesson Model 13
  
  The Smith & Wesson Model 13 (Military & Police Magnum) is a .357 Magnum revolver designed for military and police use.It is based on Smith & Wesson's K-frame—specifically, it is a .357 Magnum version of the heavy-barrel variant of the .38 Special Model 10 (originally called the Military & Police).