Smith & Wesson 637

S&W Model 637 Chiefs Special Airweight Revolver .38 Special +P 5 Round J-Frame Stainless Black Rubber Grip. Specifications and Features: S&W Model 637 Chiefs Special Airweight revolver .38 Special +P caliber Single/double-action 5 round capacity 1.87" barrel Small J-frame No manual safety .312" smooth combat trigger .240" Service hammer Integral front & fixed rear sights 6-5/16" overall length Stainless steel finish 15.0 oz