Smith and Wesson 642 Airweight Features Smith & Wesson J-Frame revolver is designed to fire a full power round and is as simple and easy to use as it is reliable. The Smith and Wesson 642 Airweight is a variation of the Model 42 Centennial Airweight which integrates the time-tested features of the original with modern advancements. It is a small-frame concealed-hammer revolver for concealed carry. The 642 Airweight model has an aluminum alloy frame stainless steel barrel and cylinder integral front and fixed rear sights and pink synthetic grip. Smith and Wesson 642 Airweight Specifications Brand: Smith & Wesson Model: Model 642 Airweight Caliber: 38 S&W Spl +P Capacity: 5rd Action: DAO Frame Finish: Matte Silver OAL: 6.31 Frame Material: Aluminum Sights: Integral Front Fixed Rear Barrel Finish: Stainless Frame Size: Small (J-Frame) Grips: Finger Grooved Pink Polymer Cylinder Material: Stainless Steel Cylinder Finish: Stainless Steel Frame Description: Matte Silver Aluminum Hammer Style: Concealed Includes: Synthetic Grip Safety: Internal Lock Weight: 14.60 oz Barrel Length: 1.88