Specifications and features:
S&W model 637 revolver
.38 Special +P caliber
1-7/8" barrel
5 rounds
Airweight aluminum alloy small frame
Chiefs Special, exposed hammer design
Integral front & fixed rear sights
Crimson Trace lasergrip
Non-reflective matte stainless finish
6-3/8" overall length
15 oz. empty

The Smith & Wesson Model 637 5 shot J frame is built with a stainless steel barrel, and cylinder, and an aluminum alloy frame with an exposed hammer and is supplied with black rubber Uncle Mike's boot grips. The greatest strength of this gun is excellent accuracy. Other strengths include the rounded contours of the gun, ease of concealment, it's simplicity of operation, and high production values in finish and fit.