Smith & Wesson 170349 Model 637 Performance Center Enhanced Action 38 S&W Spl +P 5 Shot 1.88" Stainless Steel Barrel/Cylinder, Matte Silver Aluminum Alloy J-Frame, Custom Wood Grip, Internal Lock
The Model 637 is a variation of the Model 37 Chiefs Special Airweight that integrates the time-tested features a +P rated; aluminum alloy frame; stainless steel barrel and cylinder with a matte finish along with a custom wood grip.