S&W 638 Airweight .38 Special 1.88″ Revolver Silver/Black 5rd J-Frame

Snag-resistant carry revolver with shrouded hammer and .38 Special stopping power. The Smith & Wesson Model 638 blends the best of both worlds—concealed hammer design with single-action control. This compact Airweight revolver holds 5 rounds of .38 S&W Special and offers dependable, no-nonsense defense in a frame built for everyday carry. With a lightweight silver aluminum frame and black grip, it’s both practical and stylish. The Model 638 features a 1.88-inch barrel and a classic J-Frame design known for reliability and ease of use. At just 15 ounces unloaded, it disappears under light clothing, making it ideal for concealed carry, backup use, or quick trips. The compact size and round butt frame help keep printing to a minimum. What sets the 638 apart is its shrouded hammer. You get the benefits of a double-action/single-action system while still enjoying a snag-free draw. Fire it in double-action or cock the hammer for a shorter, lighter single-action pull. This flexibility makes it great for shooters who want more control during precise shots. The revolver sports fixed sights and a no-frills layout, making it simple and intuitive to operate under pressure. The matte silver finish resists wear, while the black synthetic grip absorbs recoil and provides a secure hold. Its durable build, clear sight picture, and smooth trigger make it a trusted choice. Built as part of Smith & Wesson’s J-Frame series, the Model 638 is one of the most versatile carry revolvers available. It’s compact, capable, and carries the legacy of dependable S&W wheel guns in a modern format.

Key Specifications

• Model: Smith & Wesson Model 638
• Caliber: .38 S&W Special
• Capacity: 5 rounds
• Barrel Length: 1.88 inches
• Action: Double/Single Action
• Frame: J-Frame Airweight Aluminum Alloy
• Finish: Matte Silver
• Grip: Black Synthetic
• Weight: 15 oz
• Sights: Fixed

FAQ

Q: Is the hammer exposed or concealed? A: The Model 638 has a shrouded hammer—great for pocket or concealed carry. Q: Can this fire +P ammo? A: It is rated for standard .38 S&W Special only, not +P. Q: Is the grip replaceable? A: Yes, you can swap out the grip with any compatible J-Frame grip. Q: Can it be fired single-action? A: Yes, the shrouded hammer allows cocking for single-action firing.