The Smith & Wesson 642 Airweight is a double-action-only revolver chambered in .38 SPL +P with a 1.88-inch barrel and 5-round stainless steel cylinder. The frame is aluminum alloy, which keeps total weight at 15 oz -- light enough that most carriers forget it's there after an hour. Fixed front sight and internal hammer eliminate the snagging risk during a concealed draw. The black and pink synthetic grip provides a secure hold. 
 

Key Specifications 

• UPC: 022188137392 
• Caliber: .38 SPL +P 
• Action: Double Action Only 
• Capacity: 5 Rounds 
• Barrel Length: 1.88 inches 
• Weight: 15 oz (0.9 lbs) 
   

Detailed Features 

The aluminum alloy frame and stainless cylinder combination is a classic in the J-frame lineup -- the alloy saves weight compared to an all-steel version while the stainless cylinder resists corrosion. The internal hammer design (no exposed spur) removes the most common snag point during a concealed draw from a pocket or holster. DAO operation simplifies the manual of arms; there is no cocking step required. The +P rating allows use of higher-pressure defensive loads for improved terminal performance. The pink synthetic grip is a departure from the standard rubber grip and provides adequate texture for control. 
 

Target Audience 

Concealed carry users who want a lightweight, snag-free revolver for pocket or belt carry. Particularly suited for shooters who want a simple, reliable mechanism without a safety or slide to operate. 
 

Usage Scenarios 

• Everyday Carry (EDC): At 15 oz it is one of the lighter carry options available in a centerfire revolver. 
• Home Defense: Simple DA trigger is accessible under stress without additional manual safety manipulation. 
• Backup Gun: The slim profile works well as a secondary firearm for users who carry a primary pistol.

The S&W 642 Airweight generates consistently positive reviews for its role as a lightweight carry revolver, with a few well-understood tradeoffs that buyers should know before purchasing.

The weight -- 15 oz -- is the top praised attribute. Users who have carried heavier revolvers or compact semi-autos note that the 642 is noticeably easier to keep on the body all day. The internal hammer DAO design earns praise for snag-free draws from pocket and IWB holsters. Reliability is a recurring theme; J-frame revolvers as a category have a reputation for consistent function, and the 642 is no exception in user reports. The simplicity of the DAO trigger is valued by shooters who prioritize a minimal manual of arms.

The tradeoffs are inherent to the platform. The lightweight alloy frame means the felt recoil from +P loads is sharper than a heavier steel revolver -- some users find extended range sessions with hot defensive loads uncomfortable. Accuracy is adequate at defensive distances (under 15 yards) but the short barrel and fixed sights limit precision at distance. The 5-round capacity comes up in comparisons to semi-autos, as it does with all compact revolvers. The DAO trigger requires practice to shoot accurately under speed, which is a legitimate consideration for buyers who won't commit to regular training.