Specifications & Features:S&W Model 642 Airweight revolver.38 Special +P caliberDouble-action5 round capacity1.87" barrelSmall J-frameNo manual safetyNo internal lock.312" smooth combat triggerInternal hammerIntegral front & fixed rear sights6-5/16" overall lengthBlack rubber gripsStainless steel finish15.0 ozBest used for law enforcement & self-defenseThe
ultimate backup and concealed carry handgun has arrived, bringing
revolvers into the twenty first century. When you need a light weight
carry revolver, you turn to Smith & Wesson's Small Frame Airweight
Series. They are the original aluminum, small frame revolvers chambered
in .38 S&W Special +P. They are available in the "Centennial" frame
with fully enclosed hammer with one idea, perfect personal protection.