The Model 638 is Smith & Wesson's Airweight J-Frame Bodyguard: a five-shot .38 Special revolver weighing 15 ounces with a 1.875-inch barrel and 6.31 inches of overall length. The hammer is shrouded so it does not snag on the draw, yet it can still be cocked for a single-action shot. Stainless and lightweight alloy make up the frame, the grip is polymer, and the sights are a fixed front blade with an integral rear notch.

This is a pocket or holster gun for people who want something that disappears under light clothing and runs without a manual safety to think about. Buying one means showing photo identification at a licensed Utah dealer, completing Form 4473 and passing the background check the dealer sends to the Bureau of Criminal Identification; you must be 21 for a handgun, and a concealed firearm permit does not replace the check.

Key features

• .38 Special, five-shot cylinder
• 15-ounce Airweight J-Frame
• Shrouded hammer, single-action capable
• 1.875-inch barrel, 6.31 inches overall
• Fixed front blade, integral rear notch

It ships to the Utah dealer you choose at checkout, where you complete Form 4473 and the state background check before taking it home.